| Country | Period | Year | mg P/l |
|---|---|---|---|
| Europe | 1992-2015 | 1992 | 0.035 |
| Europe | 1992-2015 | 1993 | 0.036 |
| Europe | 1992-2015 | 1994 | 0.034 |
| Europe | 1992-2015 | 1995 | 0.032 |
| Europe | 1992-2015 | 1996 | 0.03 |
| Europe | 1992-2015 | 1997 | 0.03 |
| Europe | 1992-2015 | 1998 | 0.029 |
| Europe | 1992-2015 | 1999 | 0.031 |
| Europe | 1992-2015 | 2000 | 0.029 |
| Europe | 1992-2015 | 2001 | 0.028 |
| Europe | 1992-2015 | 2002 | 0.031 |
| Europe | 1992-2015 | 2003 | 0.03 |
| Europe | 1992-2015 | 2004 | 0.027 |
| Europe | 1992-2015 | 2005 | 0.028 |
| Europe | 1992-2015 | 2006 | 0.026 |
| Europe | 1992-2015 | 2007 | 0.024 |
| Europe | 1992-2015 | 2008 | 0.026 |
| Europe | 1992-2015 | 2009 | 0.028 |
| Europe | 1992-2015 | 2010 | 0.025 |
| Europe | 1992-2015 | 2011 | 0.024 |
| Europe | 1992-2015 | 2012 | 0.024 |
| Europe | 1992-2015 | 2013 | 0.023 |
| Europe | 1992-2015 | 2014 | 0.023 |
| Europe | 1992-2015 | 2015 | 0.021 |
| Austria | 1992-2015 | 1992 | 0.031 |
| Austria | 1992-2015 | 1993 | 0.029 |
| Austria | 1992-2015 | 1994 | 0.024 |
| Austria | 1992-2015 | 1995 | 0.023 |
| Austria | 1992-2015 | 1996 | 0.02 |
| Austria | 1992-2015 | 1997 | 0.02 |
| Austria | 1992-2015 | 1998 | 0.024 |
| Austria | 1992-2015 | 1999 | 0.018 |
| Austria | 1992-2015 | 2000 | 0.017 |
| Austria | 1992-2015 | 2001 | 0.009 |
| Austria | 1992-2015 | 2002 | 0.009 |
| Austria | 1992-2015 | 2003 | 0.025 |
| Austria | 1992-2015 | 2004 | 0.025 |
| Austria | 1992-2015 | 2005 | 0.021 |
| Austria | 1992-2015 | 2006 | 0.018 |
| Austria | 1992-2015 | 2007 | 0.036 |
| Austria | 1992-2015 | 2008 | 0.025 |
| Austria | 1992-2015 | 2009 | 0.016 |
| Austria | 1992-2015 | 2010 | 0.02 |
| Austria | 1992-2015 | 2011 | 0.017 |
| Austria | 1992-2015 | 2012 | 0.017 |
| Denmark | 1992-2015 | 1992 | 0.149 |
| Denmark | 1992-2015 | 1993 | 0.156 |
| Denmark | 1992-2015 | 1994 | 0.126 |
| Denmark | 1992-2015 | 1995 | 0.115 |
| Denmark | 1992-2015 | 1996 | 0.108 |
| Denmark | 1992-2015 | 1997 | 0.091 |
| Denmark | 1992-2015 | 1998 | 0.089 |
| Denmark | 1992-2015 | 1999 | 0.094 |
| Denmark | 1992-2015 | 2000 | 0.091 |
| Denmark | 1992-2015 | 2001 | 0.087 |
| Denmark | 1992-2015 | 2002 | 0.097 |
| Denmark | 1992-2015 | 2003 | 0.097 |
| Denmark | 1992-2015 | 2004 | 0.097 |
| Denmark | 1992-2015 | 2005 | 0.072 |
| Denmark | 1992-2015 | 2006 | 0.069 |
| Denmark | 1992-2015 | 2007 | 0.065 |
| Denmark | 1992-2015 | 2008 | 0.079 |
| Denmark | 1992-2015 | 2009 | 0.08 |
| Denmark | 1992-2015 | 2010 | 0.063 |
| Denmark | 1992-2015 | 2011 | 0.063 |
| Denmark | 1992-2015 | 2012 | 0.06 |
| Denmark | 1992-2015 | 2013 | 0.056 |
| Denmark | 1992-2015 | 2014 | 0.056 |
| Denmark | 1992-2015 | 2015 | 0.056 |
| Estonia | 1992-2015 | 1992 | 0.045 |
| Estonia | 1992-2015 | 1993 | 0.039 |
| Estonia | 1992-2015 | 1994 | 0.041 |
| Estonia | 1992-2015 | 1995 | 0.067 |
| Estonia | 1992-2015 | 1996 | 0.043 |
| Estonia | 1992-2015 | 1997 | 0.068 |
| Estonia | 1992-2015 | 1998 | 0.047 |
| Estonia | 1992-2015 | 1999 | 0.046 |
| Estonia | 1992-2015 | 2000 | 0.057 |
| Estonia | 1992-2015 | 2001 | 0.053 |
| Estonia | 1992-2015 | 2002 | 0.049 |
| Estonia | 1992-2015 | 2003 | 0.045 |
| Estonia | 1992-2015 | 2004 | 0.036 |
| Estonia | 1992-2015 | 2005 | 0.046 |
| Estonia | 1992-2015 | 2006 | 0.053 |
| Estonia | 1992-2015 | 2007 | 0.039 |
| Estonia | 1992-2015 | 2008 | 0.044 |
| Estonia | 1992-2015 | 2009 | 0.046 |
| Estonia | 1992-2015 | 2010 | 0.045 |
| Estonia | 1992-2015 | 2011 | 0.048 |
| Estonia | 1992-2015 | 2012 | 0.027 |
| Estonia | 1992-2015 | 2013 | 0.036 |
| Estonia | 1992-2015 | 2014 | 0.03 |
| Estonia | 1992-2015 | 2015 | 0.031 |
| Finland | 1992-2015 | 1992 | 0.025 |
| Finland | 1992-2015 | 1993 | 0.026 |
| Finland | 1992-2015 | 1994 | 0.027 |
| Finland | 1992-2015 | 1995 | 0.024 |
| Finland | 1992-2015 | 1996 | 0.025 |
| Finland | 1992-2015 | 1997 | 0.026 |
| Finland | 1992-2015 | 1998 | 0.025 |
| Finland | 1992-2015 | 1999 | 0.027 |
| Finland | 1992-2015 | 2000 | 0.024 |
| Finland | 1992-2015 | 2001 | 0.024 |
| Finland | 1992-2015 | 2002 | 0.029 |
| Finland | 1992-2015 | 2003 | 0.026 |
| Finland | 1992-2015 | 2004 | 0.021 |
| Finland | 1992-2015 | 2005 | 0.026 |
| Finland | 1992-2015 | 2006 | 0.024 |
| Finland | 1992-2015 | 2007 | 0.022 |
| Finland | 1992-2015 | 2008 | 0.023 |
| Finland | 1992-2015 | 2009 | 0.024 |
| Finland | 1992-2015 | 2010 | 0.023 |
| Finland | 1992-2015 | 2011 | 0.023 |
| Finland | 1992-2015 | 2012 | 0.024 |
| Finland | 1992-2015 | 2013 | 0.022 |
| Finland | 1992-2015 | 2014 | 0.023 |
| Finland | 1992-2015 | 2015 | 0.02 |
| Germany | 1992-2015 | 1992 | 0.108 |
| Germany | 1992-2015 | 1993 | 0.094 |
| Germany | 1992-2015 | 1994 | 0.063 |
| Germany | 1992-2015 | 1995 | 0.09 |
| Germany | 1992-2015 | 1996 | 0.075 |
| Germany | 1992-2015 | 1997 | 0.069 |
| Germany | 1992-2015 | 1998 | 0.086 |
| Germany | 1992-2015 | 1999 | 0.08 |
| Germany | 1992-2015 | 2000 | 0.111 |
| Germany | 1992-2015 | 2001 | 0.077 |
| Germany | 1992-2015 | 2002 | 0.071 |
| Germany | 1992-2015 | 2003 | 0.089 |
| Germany | 1992-2015 | 2004 | 0.082 |
| Germany | 1992-2015 | 2005 | 0.068 |
| Germany | 1992-2015 | 2006 | 0.059 |
| Germany | 1992-2015 | 2007 | 0.062 |
| Germany | 1992-2015 | 2008 | 0.066 |
| Germany | 1992-2015 | 2009 | 0.071 |
| Germany | 1992-2015 | 2010 | 0.056 |
| Germany | 1992-2015 | 2011 | 0.047 |
| Germany | 1992-2015 | 2012 | 0.046 |
| Germany | 1992-2015 | 2013 | 0.049 |
| Germany | 1992-2015 | 2014 | 0.049 |
| Germany | 1992-2015 | 2015 | 0.062 |
| Ireland | 1992-2015 | 1992 | 0.019 |
| Ireland | 1992-2015 | 1993 | 0.021 |
| Ireland | 1992-2015 | 1994 | 0.02 |
| Ireland | 1992-2015 | 1995 | 0.022 |
| Ireland | 1992-2015 | 1996 | 0.018 |
| Ireland | 1992-2015 | 1997 | 0.023 |
| Ireland | 1992-2015 | 1998 | 0.019 |
| Ireland | 1992-2015 | 1999 | 0.015 |
| Ireland | 1992-2015 | 2000 | 0.017 |
| Ireland | 1992-2015 | 2001 | 0.023 |
| Ireland | 1992-2015 | 2002 | 0.02 |
| Ireland | 1992-2015 | 2003 | 0.021 |
| Ireland | 1992-2015 | 2004 | 0.022 |
| Ireland | 1992-2015 | 2005 | 0.022 |
| Ireland | 1992-2015 | 2006 | 0.022 |
| Ireland | 1992-2015 | 2007 | 0.02 |
| Ireland | 1992-2015 | 2008 | 0.017 |
| Ireland | 1992-2015 | 2009 | 0.013 |
| Ireland | 1992-2015 | 2010 | 0.011 |
| Ireland | 1992-2015 | 2011 | 0.011 |
| Ireland | 1992-2015 | 2012 | 0.011 |
| Lithuania | 1992-2015 | 1992 | 0.019 |
| Lithuania | 1992-2015 | 1993 | 0.019 |
| Lithuania | 1992-2015 | 1994 | 0.021 |
| Lithuania | 1992-2015 | 1995 | 0.012 |
| Lithuania | 1992-2015 | 1996 | 0.021 |
| Lithuania | 1992-2015 | 1997 | 0.017 |
| Lithuania | 1992-2015 | 1998 | 0.019 |
| Lithuania | 1992-2015 | 1999 | 0.027 |
| Lithuania | 1992-2015 | 2000 | 0.017 |
| Lithuania | 1992-2015 | 2001 | 0.013 |
| Lithuania | 1992-2015 | 2002 | 0.011 |
| Lithuania | 1992-2015 | 2003 | 0.012 |
| Lithuania | 1992-2015 | 2004 | 0.022 |
| Lithuania | 1992-2015 | 2005 | 0.014 |
| Lithuania | 1992-2015 | 2006 | 0.012 |
| Lithuania | 1992-2015 | 2007 | 0.011 |
| Lithuania | 1992-2015 | 2008 | 0.015 |
| Lithuania | 1992-2015 | 2009 | 0.017 |
| Lithuania | 1992-2015 | 2010 | 0.02 |
| Lithuania | 1992-2015 | 2011 | 0.017 |
| Lithuania | 1992-2015 | 2012 | 0.039 |
| Lithuania | 1992-2015 | 2013 | 0.023 |
| Lithuania | 1992-2015 | 2014 | 0.013 |
| Lithuania | 1992-2015 | 2015 | 0.012 |
| Netherlands | 1992-2015 | 1992 | 0.208 |
| Netherlands | 1992-2015 | 1993 | 0.205 |
| Netherlands | 1992-2015 | 1994 | 0.194 |
| Netherlands | 1992-2015 | 1995 | 0.19 |
| Netherlands | 1992-2015 | 1996 | 0.148 |
| Netherlands | 1992-2015 | 1997 | 0.154 |
| Netherlands | 1992-2015 | 1998 | 0.173 |
| Netherlands | 1992-2015 | 1999 | 0.141 |
| Netherlands | 1992-2015 | 2000 | 0.154 |
| Netherlands | 1992-2015 | 2001 | 0.144 |
| Netherlands | 1992-2015 | 2002 | 0.143 |
| Netherlands | 1992-2015 | 2003 | 0.141 |
| Netherlands | 1992-2015 | 2004 | 0.176 |
| Netherlands | 1992-2015 | 2005 | 0.114 |
| Netherlands | 1992-2015 | 2006 | 0.108 |
| Netherlands | 1992-2015 | 2007 | 0.102 |
| Netherlands | 1992-2015 | 2008 | 0.141 |
| Netherlands | 1992-2015 | 2009 | 0.15 |
| Netherlands | 1992-2015 | 2010 | 0.123 |
| Netherlands | 1992-2015 | 2011 | 0.057 |
| Netherlands | 1992-2015 | 2012 | 0.07 |
| Netherlands | 1992-2015 | 2013 | 0.08 |
| Netherlands | 1992-2015 | 2014 | 0.078 |
| Netherlands | 1992-2015 | 2015 | 0.074 |
| Norway | 1992-2015 | 1992 | 0.004 |
| Norway | 1992-2015 | 1993 | 0.005 |
| Norway | 1992-2015 | 1994 | 0.005 |
| Norway | 1992-2015 | 1995 | 0.005 |
| Norway | 1992-2015 | 1996 | 0.006 |
| Norway | 1992-2015 | 1997 | 0.006 |
| Norway | 1992-2015 | 1998 | 0.004 |
| Norway | 1992-2015 | 1999 | 0.004 |
| Norway | 1992-2015 | 2000 | 0.004 |
| Norway | 1992-2015 | 2001 | 0.005 |
| Norway | 1992-2015 | 2002 | 0.004 |
| Norway | 1992-2015 | 2003 | 0.003 |
| Norway | 1992-2015 | 2004 | 0.004 |
| Norway | 1992-2015 | 2005 | 0.003 |
| Norway | 1992-2015 | 2006 | 0.004 |
| Norway | 1992-2015 | 2007 | 0.004 |
| Norway | 1992-2015 | 2008 | 0.005 |
| Norway | 1992-2015 | 2009 | 0.005 |
| Norway | 1992-2015 | 2010 | 0.005 |
| Norway | 1992-2015 | 2011 | 0.006 |
| Norway | 1992-2015 | 2012 | 0.005 |
| Norway | 1992-2015 | 2013 | 0.005 |
| Norway | 1992-2015 | 2014 | 0.005 |
| Norway | 1992-2015 | 2015 | 0.005 |
| Slovenia | 1992-2015 | 1992 | 0.017 |
| Slovenia | 1992-2015 | 1993 | 0.02 |
| Slovenia | 1992-2015 | 1994 | 0.014 |
| Slovenia | 1992-2015 | 1995 | 0.012 |
| Slovenia | 1992-2015 | 1996 | 0.01 |
| Slovenia | 1992-2015 | 1997 | 0.01 |
| Slovenia | 1992-2015 | 1998 | 0.011 |
| Slovenia | 1992-2015 | 1999 | 0.012 |
| Slovenia | 1992-2015 | 2000 | 0.011 |
| Slovenia | 1992-2015 | 2001 | 0.011 |
| Slovenia | 1992-2015 | 2002 | 0.008 |
| Slovenia | 1992-2015 | 2003 | 0.008 |
| Slovenia | 1992-2015 | 2004 | 0.011 |
| Slovenia | 1992-2015 | 2005 | 0.01 |
| Slovenia | 1992-2015 | 2006 | 0.009 |
| Slovenia | 1992-2015 | 2007 | 0.011 |
| Slovenia | 1992-2015 | 2008 | 0.007 |
| Slovenia | 1992-2015 | 2009 | 0.009 |
| Slovenia | 1992-2015 | 2010 | 0.008 |
| Slovenia | 1992-2015 | 2011 | 0.008 |
| Slovenia | 1992-2015 | 2012 | 0.009 |
| Slovenia | 1992-2015 | 2013 | 0.009 |
| Slovenia | 1992-2015 | 2014 | 0.01 |
| Slovenia | 1992-2015 | 2015 | 0.009 |
| Sweden | 1992-2015 | 1992 | 0.016 |
| Sweden | 1992-2015 | 1993 | 0.017 |
| Sweden | 1992-2015 | 1994 | 0.019 |
| Sweden | 1992-2015 | 1995 | 0.017 |
| Sweden | 1992-2015 | 1996 | 0.013 |
| Sweden | 1992-2015 | 1997 | 0.013 |
| Sweden | 1992-2015 | 1998 | 0.013 |
| Sweden | 1992-2015 | 1999 | 0.015 |
| Sweden | 1992-2015 | 2000 | 0.014 |
| Sweden | 1992-2015 | 2001 | 0.015 |
| Sweden | 1992-2015 | 2002 | 0.014 |
| Sweden | 1992-2015 | 2003 | 0.013 |
| Sweden | 1992-2015 | 2004 | 0.013 |
| Sweden | 1992-2015 | 2005 | 0.014 |
| Sweden | 1992-2015 | 2006 | 0.013 |
| Sweden | 1992-2015 | 2007 | 0.01 |
| Sweden | 1992-2015 | 2008 | 0.013 |
| Sweden | 1992-2015 | 2009 | 0.016 |
| Sweden | 1992-2015 | 2010 | 0.014 |
| Sweden | 1992-2015 | 2011 | 0.014 |
| Sweden | 1992-2015 | 2012 | 0.016 |
| Sweden | 1992-2015 | 2013 | 0.015 |
| Sweden | 1992-2015 | 2014 | 0.014 |
| Sweden | 1992-2015 | 2015 | 0.013 |
| Switzerland | 1992-2015 | 1992 | 0.075 |
| Switzerland | 1992-2015 | 1993 | 0.075 |
| Switzerland | 1992-2015 | 1994 | 0.066 |
| Switzerland | 1992-2015 | 1995 | 0.063 |
| Switzerland | 1992-2015 | 1996 | 0.06 |
| Switzerland | 1992-2015 | 1997 | 0.062 |
| Switzerland | 1992-2015 | 1998 | 0.059 |
| Switzerland | 1992-2015 | 1999 | 0.056 |
| Switzerland | 1992-2015 | 2000 | 0.051 |
| Switzerland | 1992-2015 | 2001 | 0.05 |
| Switzerland | 1992-2015 | 2002 | 0.049 |
| Switzerland | 1992-2015 | 2003 | 0.046 |
| Switzerland | 1992-2015 | 2004 | 0.044 |
| Switzerland | 1992-2015 | 2005 | 0.042 |
| Switzerland | 1992-2015 | 2006 | 0.038 |
| Switzerland | 1992-2015 | 2007 | 0.035 |
| Switzerland | 1992-2015 | 2008 | 0.032 |
| Switzerland | 1992-2015 | 2009 | 0.03 |
| Switzerland | 1992-2015 | 2010 | 0.028 |
| Switzerland | 1992-2015 | 2011 | 0.026 |
| Switzerland | 1992-2015 | 2012 | 0.025 |
| The former Yugoslav Republic of Macedonia | 1992-2015 | 1992 | 0.007 |
| The former Yugoslav Republic of Macedonia | 1992-2015 | 1993 | 0.006 |
| The former Yugoslav Republic of Macedonia | 1992-2015 | 1994 | 0.005 |
| The former Yugoslav Republic of Macedonia | 1992-2015 | 1995 | 0.004 |
| The former Yugoslav Republic of Macedonia | 1992-2015 | 1996 | 0.004 |
| The former Yugoslav Republic of Macedonia | 1992-2015 | 1997 | 0.004 |
| The former Yugoslav Republic of Macedonia | 1992-2015 | 1998 | 0.005 |
| The former Yugoslav Republic of Macedonia | 1992-2015 | 1999 | 0.006 |
| The former Yugoslav Republic of Macedonia | 1992-2015 | 2000 | 0.005 |
| The former Yugoslav Republic of Macedonia | 1992-2015 | 2001 | 0.014 |
| The former Yugoslav Republic of Macedonia | 1992-2015 | 2002 | 0.007 |
| The former Yugoslav Republic of Macedonia | 1992-2015 | 2003 | 0.007 |
| The former Yugoslav Republic of Macedonia | 1992-2015 | 2004 | 0.013 |
| The former Yugoslav Republic of Macedonia | 1992-2015 | 2005 | 0.018 |
| The former Yugoslav Republic of Macedonia | 1992-2015 | 2006 | 0.024 |
| The former Yugoslav Republic of Macedonia | 1992-2015 | 2007 | 0.029 |
| The former Yugoslav Republic of Macedonia | 1992-2015 | 2008 | 0.01 |
| The former Yugoslav Republic of Macedonia | 1992-2015 | 2009 | 0.007 |
| The former Yugoslav Republic of Macedonia | 1992-2015 | 2010 | 0.007 |
| The former Yugoslav Republic of Macedonia | 1992-2015 | 2011 | 0.006 |
| The former Yugoslav Republic of Macedonia | 1992-2015 | 2012 | 0.007 |
| The former Yugoslav Republic of Macedonia | 1992-2015 | 2013 | 0.007 |
| The former Yugoslav Republic of Macedonia | 1992-2015 | 2014 | 0.006 |
| The former Yugoslav Republic of Macedonia | 1992-2015 | 2015 | 0.006 |
| United Kingdom | 1992-2015 | 1992 | 0.019 |
| United Kingdom | 1992-2015 | 1993 | 0.021 |
| United Kingdom | 1992-2015 | 1994 | 0.014 |
| United Kingdom | 1992-2015 | 1995 | 0.016 |
| United Kingdom | 1992-2015 | 1996 | 0.015 |
| United Kingdom | 1992-2015 | 1997 | 0.018 |
| United Kingdom | 1992-2015 | 1998 | 0.017 |
| United Kingdom | 1992-2015 | 1999 | 0.019 |
| United Kingdom | 1992-2015 | 2000 | 0.019 |
| United Kingdom | 1992-2015 | 2001 | 0.015 |
| United Kingdom | 1992-2015 | 2002 | 0.018 |
| United Kingdom | 1992-2015 | 2003 | 0.02 |
| United Kingdom | 1992-2015 | 2004 | 0.022 |
| United Kingdom | 1992-2015 | 2005 | 0.021 |
| United Kingdom | 1992-2015 | 2006 | 0.022 |
| United Kingdom | 1992-2015 | 2007 | 0.023 |
| United Kingdom | 1992-2015 | 2008 | 0.024 |
| United Kingdom | 1992-2015 | 2009 | 0.025 |
| United Kingdom | 1992-2015 | 2010 | 0.025 |
| United Kingdom | 1992-2015 | 2011 | 0.024 |
| United Kingdom | 1992-2015 | 2012 | 0.024 |
| Europe | 2000-2015 | 2000 | 0.033 |
| Europe | 2000-2015 | 2001 | 0.033 |
| Europe | 2000-2015 | 2002 | 0.034 |
| Europe | 2000-2015 | 2003 | 0.033 |
| Europe | 2000-2015 | 2004 | 0.03 |
| Europe | 2000-2015 | 2005 | 0.03 |
| Europe | 2000-2015 | 2006 | 0.03 |
| Europe | 2000-2015 | 2007 | 0.028 |
| Europe | 2000-2015 | 2008 | 0.031 |
| Europe | 2000-2015 | 2009 | 0.031 |
| Europe | 2000-2015 | 2010 | 0.028 |
| Europe | 2000-2015 | 2011 | 0.027 |
| Europe | 2000-2015 | 2012 | 0.028 |
| Europe | 2000-2015 | 2013 | 0.026 |
| Europe | 2000-2015 | 2014 | 0.027 |
| Europe | 2000-2015 | 2015 | 0.025 |
| Austria | 2000-2015 | 2000 | 0.009 |
| Austria | 2000-2015 | 2001 | 0.008 |
| Austria | 2000-2015 | 2002 | 0.009 |
| Austria | 2000-2015 | 2003 | 0.012 |
| Austria | 2000-2015 | 2004 | 0.01 |
| Austria | 2000-2015 | 2005 | 0.01 |
| Austria | 2000-2015 | 2006 | 0.01 |
| Austria | 2000-2015 | 2007 | 0.017 |
| Austria | 2000-2015 | 2008 | 0.014 |
| Austria | 2000-2015 | 2009 | 0.01 |
| Austria | 2000-2015 | 2010 | 0.012 |
| Austria | 2000-2015 | 2011 | 0.01 |
| Austria | 2000-2015 | 2012 | 0.01 |
| Belgium | 2000-2015 | 2000 | 0.238 |
| Belgium | 2000-2015 | 2001 | 0.313 |
| Belgium | 2000-2015 | 2002 | 0.283 |
| Belgium | 2000-2015 | 2003 | 0.264 |
| Belgium | 2000-2015 | 2004 | 0.233 |
| Belgium | 2000-2015 | 2005 | 0.142 |
| Belgium | 2000-2015 | 2006 | 0.105 |
| Belgium | 2000-2015 | 2007 | 0.102 |
| Belgium | 2000-2015 | 2008 | 0.105 |
| Belgium | 2000-2015 | 2009 | 0.139 |
| Belgium | 2000-2015 | 2010 | 0.083 |
| Belgium | 2000-2015 | 2011 | 0.088 |
| Belgium | 2000-2015 | 2012 | 0.066 |
| Belgium | 2000-2015 | 2013 | 0.072 |
| Belgium | 2000-2015 | 2014 | 0.065 |
| Belgium | 2000-2015 | 2015 | 0.082 |
| Bulgaria | 2000-2015 | 2000 | 0.11 |
| Bulgaria | 2000-2015 | 2001 | 0.11 |
| Bulgaria | 2000-2015 | 2002 | 0.11 |
| Bulgaria | 2000-2015 | 2003 | 0.11 |
| Bulgaria | 2000-2015 | 2004 | 0.021 |
| Bulgaria | 2000-2015 | 2005 | 0.02 |
| Bulgaria | 2000-2015 | 2006 | 0.067 |
| Bulgaria | 2000-2015 | 2007 | 0.044 |
| Bulgaria | 2000-2015 | 2008 | 0.012 |
| Bulgaria | 2000-2015 | 2009 | 0.033 |
| Bulgaria | 2000-2015 | 2010 | 0.054 |
| Bulgaria | 2000-2015 | 2011 | 0.075 |
| Bulgaria | 2000-2015 | 2012 | 0.02 |
| Bulgaria | 2000-2015 | 2013 | 0.018 |
| Bulgaria | 2000-2015 | 2014 | 0.015 |
| Bulgaria | 2000-2015 | 2015 | 0.013 |
| Croatia | 2000-2015 | 2000 | 0.024 |
| Croatia | 2000-2015 | 2001 | 0.024 |
| Croatia | 2000-2015 | 2002 | 0.024 |
| Croatia | 2000-2015 | 2003 | 0.024 |
| Croatia | 2000-2015 | 2004 | 0.017 |
| Croatia | 2000-2015 | 2005 | 0.012 |
| Croatia | 2000-2015 | 2006 | 0.014 |
| Croatia | 2000-2015 | 2007 | 0.007 |
| Croatia | 2000-2015 | 2008 | 0.014 |
| Croatia | 2000-2015 | 2009 | 0.01 |
| Croatia | 2000-2015 | 2010 | 0.009 |
| Croatia | 2000-2015 | 2011 | 0.023 |
| Croatia | 2000-2015 | 2012 | 0.036 |
| Croatia | 2000-2015 | 2013 | 0.028 |
| Croatia | 2000-2015 | 2014 | 0.017 |
| Croatia | 2000-2015 | 2015 | 0.017 |
| Denmark | 2000-2015 | 2000 | 0.091 |
| Denmark | 2000-2015 | 2001 | 0.087 |
| Denmark | 2000-2015 | 2002 | 0.097 |
| Denmark | 2000-2015 | 2003 | 0.097 |
| Denmark | 2000-2015 | 2004 | 0.097 |
| Denmark | 2000-2015 | 2005 | 0.072 |
| Denmark | 2000-2015 | 2006 | 0.069 |
| Denmark | 2000-2015 | 2007 | 0.065 |
| Denmark | 2000-2015 | 2008 | 0.079 |
| Denmark | 2000-2015 | 2009 | 0.08 |
| Denmark | 2000-2015 | 2010 | 0.063 |
| Denmark | 2000-2015 | 2011 | 0.063 |
| Denmark | 2000-2015 | 2012 | 0.06 |
| Denmark | 2000-2015 | 2013 | 0.056 |
| Denmark | 2000-2015 | 2014 | 0.056 |
| Denmark | 2000-2015 | 2015 | 0.056 |
| Estonia | 2000-2015 | 2000 | 0.054 |
| Estonia | 2000-2015 | 2001 | 0.051 |
| Estonia | 2000-2015 | 2002 | 0.046 |
| Estonia | 2000-2015 | 2003 | 0.043 |
| Estonia | 2000-2015 | 2004 | 0.035 |
| Estonia | 2000-2015 | 2005 | 0.044 |
| Estonia | 2000-2015 | 2006 | 0.051 |
| Estonia | 2000-2015 | 2007 | 0.038 |
| Estonia | 2000-2015 | 2008 | 0.042 |
| Estonia | 2000-2015 | 2009 | 0.045 |
| Estonia | 2000-2015 | 2010 | 0.043 |
| Estonia | 2000-2015 | 2011 | 0.046 |
| Estonia | 2000-2015 | 2012 | 0.027 |
| Estonia | 2000-2015 | 2013 | 0.034 |
| Estonia | 2000-2015 | 2014 | 0.03 |
| Estonia | 2000-2015 | 2015 | 0.031 |
| Finland | 2000-2015 | 2000 | 0.024 |
| Finland | 2000-2015 | 2001 | 0.024 |
| Finland | 2000-2015 | 2002 | 0.028 |
| Finland | 2000-2015 | 2003 | 0.026 |
| Finland | 2000-2015 | 2004 | 0.021 |
| Finland | 2000-2015 | 2005 | 0.026 |
| Finland | 2000-2015 | 2006 | 0.024 |
| Finland | 2000-2015 | 2007 | 0.022 |
| Finland | 2000-2015 | 2008 | 0.023 |
| Finland | 2000-2015 | 2009 | 0.024 |
| Finland | 2000-2015 | 2010 | 0.024 |
| Finland | 2000-2015 | 2011 | 0.023 |
| Finland | 2000-2015 | 2012 | 0.024 |
| Finland | 2000-2015 | 2013 | 0.023 |
| Finland | 2000-2015 | 2014 | 0.024 |
| Finland | 2000-2015 | 2015 | 0.02 |
| France | 2000-2015 | 2000 | 0.031 |
| France | 2000-2015 | 2001 | 0.023 |
| France | 2000-2015 | 2002 | 0.037 |
| France | 2000-2015 | 2003 | 0.051 |
| France | 2000-2015 | 2004 | 0.032 |
| France | 2000-2015 | 2005 | 0.013 |
| France | 2000-2015 | 2006 | 0.01 |
| France | 2000-2015 | 2007 | 0.011 |
| France | 2000-2015 | 2008 | 0.02 |
| France | 2000-2015 | 2009 | 0.015 |
| France | 2000-2015 | 2010 | 0.02 |
| France | 2000-2015 | 2011 | 0.02 |
| France | 2000-2015 | 2012 | 0.007 |
| France | 2000-2015 | 2013 | 0.02 |
| France | 2000-2015 | 2014 | 0.007 |
| France | 2000-2015 | 2015 | 0.015 |
| Germany | 2000-2015 | 2000 | 0.144 |
| Germany | 2000-2015 | 2001 | 0.111 |
| Germany | 2000-2015 | 2002 | 0.1 |
| Germany | 2000-2015 | 2003 | 0.105 |
| Germany | 2000-2015 | 2004 | 0.097 |
| Germany | 2000-2015 | 2005 | 0.083 |
| Germany | 2000-2015 | 2006 | 0.092 |
| Germany | 2000-2015 | 2007 | 0.106 |
| Germany | 2000-2015 | 2008 | 0.12 |
| Germany | 2000-2015 | 2009 | 0.104 |
| Germany | 2000-2015 | 2010 | 0.075 |
| Germany | 2000-2015 | 2011 | 0.092 |
| Germany | 2000-2015 | 2012 | 0.094 |
| Germany | 2000-2015 | 2013 | 0.065 |
| Germany | 2000-2015 | 2014 | 0.065 |
| Germany | 2000-2015 | 2015 | 0.072 |
| Ireland | 2000-2015 | 2000 | 0.017 |
| Ireland | 2000-2015 | 2001 | 0.023 |
| Ireland | 2000-2015 | 2002 | 0.02 |
| Ireland | 2000-2015 | 2003 | 0.021 |
| Ireland | 2000-2015 | 2004 | 0.022 |
| Ireland | 2000-2015 | 2005 | 0.022 |
| Ireland | 2000-2015 | 2006 | 0.022 |
| Ireland | 2000-2015 | 2007 | 0.02 |
| Ireland | 2000-2015 | 2008 | 0.017 |
| Ireland | 2000-2015 | 2009 | 0.013 |
| Ireland | 2000-2015 | 2010 | 0.011 |
| Ireland | 2000-2015 | 2011 | 0.011 |
| Ireland | 2000-2015 | 2012 | 0.011 |
| Lithuania | 2000-2015 | 2000 | 0.017 |
| Lithuania | 2000-2015 | 2001 | 0.017 |
| Lithuania | 2000-2015 | 2002 | 0.011 |
| Lithuania | 2000-2015 | 2003 | 0.012 |
| Lithuania | 2000-2015 | 2004 | 0.017 |
| Lithuania | 2000-2015 | 2005 | 0.018 |
| Lithuania | 2000-2015 | 2006 | 0.016 |
| Lithuania | 2000-2015 | 2007 | 0.01 |
| Lithuania | 2000-2015 | 2008 | 0.013 |
| Lithuania | 2000-2015 | 2009 | 0.015 |
| Lithuania | 2000-2015 | 2010 | 0.018 |
| Lithuania | 2000-2015 | 2011 | 0.015 |
| Lithuania | 2000-2015 | 2012 | 0.029 |
| Lithuania | 2000-2015 | 2013 | 0.018 |
| Lithuania | 2000-2015 | 2014 | 0.011 |
| Lithuania | 2000-2015 | 2015 | 0.01 |
| Netherlands | 2000-2015 | 2000 | 0.154 |
| Netherlands | 2000-2015 | 2001 | 0.144 |
| Netherlands | 2000-2015 | 2002 | 0.143 |
| Netherlands | 2000-2015 | 2003 | 0.141 |
| Netherlands | 2000-2015 | 2004 | 0.176 |
| Netherlands | 2000-2015 | 2005 | 0.114 |
| Netherlands | 2000-2015 | 2006 | 0.108 |
| Netherlands | 2000-2015 | 2007 | 0.102 |
| Netherlands | 2000-2015 | 2008 | 0.141 |
| Netherlands | 2000-2015 | 2009 | 0.15 |
| Netherlands | 2000-2015 | 2010 | 0.123 |
| Netherlands | 2000-2015 | 2011 | 0.057 |
| Netherlands | 2000-2015 | 2012 | 0.07 |
| Netherlands | 2000-2015 | 2013 | 0.08 |
| Netherlands | 2000-2015 | 2014 | 0.078 |
| Netherlands | 2000-2015 | 2015 | 0.074 |
| Norway | 2000-2015 | 2000 | 0.004 |
| Norway | 2000-2015 | 2001 | 0.004 |
| Norway | 2000-2015 | 2002 | 0.003 |
| Norway | 2000-2015 | 2003 | 0.003 |
| Norway | 2000-2015 | 2004 | 0.004 |
| Norway | 2000-2015 | 2005 | 0.006 |
| Norway | 2000-2015 | 2006 | 0.005 |
| Norway | 2000-2015 | 2007 | 0.005 |
| Norway | 2000-2015 | 2008 | 0.004 |
| Norway | 2000-2015 | 2009 | 0.005 |
| Norway | 2000-2015 | 2010 | 0.005 |
| Norway | 2000-2015 | 2011 | 0.005 |
| Norway | 2000-2015 | 2012 | 0.006 |
| Norway | 2000-2015 | 2013 | 0.006 |
| Norway | 2000-2015 | 2014 | 0.004 |
| Norway | 2000-2015 | 2015 | 0.006 |
| Poland | 2000-2015 | 2000 | 0.052 |
| Poland | 2000-2015 | 2001 | 0.052 |
| Poland | 2000-2015 | 2002 | 0.048 |
| Poland | 2000-2015 | 2003 | 0.054 |
| Poland | 2000-2015 | 2004 | 0.049 |
| Poland | 2000-2015 | 2005 | 0.036 |
| Poland | 2000-2015 | 2006 | 0.04 |
| Poland | 2000-2015 | 2007 | 0.038 |
| Poland | 2000-2015 | 2008 | 0.048 |
| Poland | 2000-2015 | 2009 | 0.035 |
| Poland | 2000-2015 | 2010 | 0.034 |
| Poland | 2000-2015 | 2011 | 0.035 |
| Poland | 2000-2015 | 2012 | 0.042 |
| Poland | 2000-2015 | 2013 | 0.037 |
| Poland | 2000-2015 | 2014 | 0.045 |
| Poland | 2000-2015 | 2015 | 0.042 |
| Romania | 2000-2015 | 2000 | 0.08 |
| Romania | 2000-2015 | 2001 | 0.08 |
| Romania | 2000-2015 | 2002 | 0.08 |
| Romania | 2000-2015 | 2003 | 0.08 |
| Romania | 2000-2015 | 2004 | 0.109 |
| Romania | 2000-2015 | 2005 | 0.103 |
| Romania | 2000-2015 | 2006 | 0.1 |
| Romania | 2000-2015 | 2007 | 0.099 |
| Romania | 2000-2015 | 2008 | 0.063 |
| Romania | 2000-2015 | 2009 | 0.112 |
| Romania | 2000-2015 | 2010 | 0.081 |
| Romania | 2000-2015 | 2011 | 0.062 |
| Romania | 2000-2015 | 2012 | 0.07 |
| Romania | 2000-2015 | 2013 | 0.051 |
| Romania | 2000-2015 | 2014 | 0.07 |
| Romania | 2000-2015 | 2015 | 0.068 |
| Serbia | 2000-2015 | 2000 | 0.18 |
| Serbia | 2000-2015 | 2001 | 0.18 |
| Serbia | 2000-2015 | 2002 | 0.18 |
| Serbia | 2000-2015 | 2003 | 0.18 |
| Serbia | 2000-2015 | 2004 | 0.115 |
| Serbia | 2000-2015 | 2005 | 0.049 |
| Serbia | 2000-2015 | 2006 | 0.057 |
| Serbia | 2000-2015 | 2007 | 0.069 |
| Serbia | 2000-2015 | 2008 | 0.081 |
| Serbia | 2000-2015 | 2009 | 0.089 |
| Serbia | 2000-2015 | 2010 | 0.04 |
| Serbia | 2000-2015 | 2011 | 0.079 |
| Serbia | 2000-2015 | 2012 | 0.144 |
| Slovenia | 2000-2015 | 2000 | 0.059 |
| Slovenia | 2000-2015 | 2001 | 0.059 |
| Slovenia | 2000-2015 | 2002 | 0.057 |
| Slovenia | 2000-2015 | 2003 | 0.057 |
| Slovenia | 2000-2015 | 2004 | 0.061 |
| Slovenia | 2000-2015 | 2005 | 0.062 |
| Slovenia | 2000-2015 | 2006 | 0.059 |
| Slovenia | 2000-2015 | 2007 | 0.058 |
| Slovenia | 2000-2015 | 2008 | 0.053 |
| Slovenia | 2000-2015 | 2009 | 0.052 |
| Slovenia | 2000-2015 | 2010 | 0.028 |
| Slovenia | 2000-2015 | 2011 | 0.026 |
| Slovenia | 2000-2015 | 2012 | 0.039 |
| Slovenia | 2000-2015 | 2013 | 0.047 |
| Slovenia | 2000-2015 | 2014 | 0.034 |
| Slovenia | 2000-2015 | 2015 | 0.034 |
| Sweden | 2000-2015 | 2000 | 0.014 |
| Sweden | 2000-2015 | 2001 | 0.015 |
| Sweden | 2000-2015 | 2002 | 0.014 |
| Sweden | 2000-2015 | 2003 | 0.013 |
| Sweden | 2000-2015 | 2004 | 0.013 |
| Sweden | 2000-2015 | 2005 | 0.014 |
| Sweden | 2000-2015 | 2006 | 0.013 |
| Sweden | 2000-2015 | 2007 | 0.01 |
| Sweden | 2000-2015 | 2008 | 0.013 |
| Sweden | 2000-2015 | 2009 | 0.016 |
| Sweden | 2000-2015 | 2010 | 0.014 |
| Sweden | 2000-2015 | 2011 | 0.014 |
| Sweden | 2000-2015 | 2012 | 0.016 |
| Sweden | 2000-2015 | 2013 | 0.015 |
| Sweden | 2000-2015 | 2014 | 0.014 |
| Sweden | 2000-2015 | 2015 | 0.013 |
| Switzerland | 2000-2015 | 2000 | 0.048 |
| Switzerland | 2000-2015 | 2001 | 0.047 |
| Switzerland | 2000-2015 | 2002 | 0.046 |
| Switzerland | 2000-2015 | 2003 | 0.043 |
| Switzerland | 2000-2015 | 2004 | 0.041 |
| Switzerland | 2000-2015 | 2005 | 0.039 |
| Switzerland | 2000-2015 | 2006 | 0.036 |
| Switzerland | 2000-2015 | 2007 | 0.033 |
| Switzerland | 2000-2015 | 2008 | 0.03 |
| Switzerland | 2000-2015 | 2009 | 0.028 |
| Switzerland | 2000-2015 | 2010 | 0.026 |
| Switzerland | 2000-2015 | 2011 | 0.024 |
| Switzerland | 2000-2015 | 2012 | 0.023 |
| The former Yugoslav Republic of Macedonia | 2000-2015 | 2000 | 0.005 |
| The former Yugoslav Republic of Macedonia | 2000-2015 | 2001 | 0.014 |
| The former Yugoslav Republic of Macedonia | 2000-2015 | 2002 | 0.007 |
| The former Yugoslav Republic of Macedonia | 2000-2015 | 2003 | 0.007 |
| The former Yugoslav Republic of Macedonia | 2000-2015 | 2004 | 0.013 |
| The former Yugoslav Republic of Macedonia | 2000-2015 | 2005 | 0.018 |
| The former Yugoslav Republic of Macedonia | 2000-2015 | 2006 | 0.024 |
| The former Yugoslav Republic of Macedonia | 2000-2015 | 2007 | 0.029 |
| The former Yugoslav Republic of Macedonia | 2000-2015 | 2008 | 0.01 |
| The former Yugoslav Republic of Macedonia | 2000-2015 | 2009 | 0.007 |
| The former Yugoslav Republic of Macedonia | 2000-2015 | 2010 | 0.007 |
| The former Yugoslav Republic of Macedonia | 2000-2015 | 2011 | 0.006 |
| The former Yugoslav Republic of Macedonia | 2000-2015 | 2012 | 0.007 |
| The former Yugoslav Republic of Macedonia | 2000-2015 | 2013 | 0.007 |
| The former Yugoslav Republic of Macedonia | 2000-2015 | 2014 | 0.006 |
| The former Yugoslav Republic of Macedonia | 2000-2015 | 2015 | 0.006 |
| United Kingdom | 2000-2015 | 2000 | 0.069 |
| United Kingdom | 2000-2015 | 2001 | 0.068 |
| United Kingdom | 2000-2015 | 2002 | 0.068 |
| United Kingdom | 2000-2015 | 2003 | 0.066 |
| United Kingdom | 2000-2015 | 2004 | 0.07 |
| United Kingdom | 2000-2015 | 2005 | 0.056 |
| United Kingdom | 2000-2015 | 2006 | 0.082 |
| United Kingdom | 2000-2015 | 2007 | 0.074 |
| United Kingdom | 2000-2015 | 2008 | 0.1 |
| United Kingdom | 2000-2015 | 2009 | 0.096 |
| United Kingdom | 2000-2015 | 2010 | 0.089 |
| United Kingdom | 2000-2015 | 2011 | 0.081 |
| United Kingdom | 2000-2015 | 2012 | 0.081 |
| United Kingdom | 2000-2015 | 2013 | 0.082 |
| United Kingdom | 2000-2015 | 2014 | 0.096 |
| United Kingdom | 2000-2015 | 2015 | 0.096 |