| country | year | value |
|---|---|---|
| EU28 | 1995 | |
| EU28 | 1998 | |
| EU28 | 2002 | 2.56 |
| EU28 | 2005 | 2.51 |
| EU28 | 2008 | 2.29 |
| EU28 | 2012 | 2.44 |
| EU28 | 2013 | 2.45 |
| EU28 | 2014 | 2.46 |
| Austria | 1995 | 2.16 |
| Austria | 1998 | 2.31 |
| Austria | 2002 | 2.63 |
| Austria | 2005 | 2.59 |
| Austria | 2008 | 2.37 |
| Austria | 2012 | 2.42 |
| Austria | 2013 | 2.4 |
| Austria | 2014 | 2.43 |
| Belgium | 1995 | 2.4 |
| Belgium | 1998 | 2.57 |
| Belgium | 2002 | 2.32 |
| Belgium | 2005 | 2.45 |
| Belgium | 2008 | 2.14 |
| Belgium | 2012 | 2.15 |
| Belgium | 2013 | 2.06 |
| Belgium | 2014 | 2.05 |
| Bulgaria | 1995 | 1.67 |
| Bulgaria | 1998 | 1.97 |
| Bulgaria | 2002 | 2.29 |
| Bulgaria | 2005 | 2.9 |
| Bulgaria | 2008 | 3.27 |
| Bulgaria | 2012 | 2.68 |
| Bulgaria | 2013 | 2.8 |
| Bulgaria | 2014 | 2.73 |
| Croatia | 1995 | |
| Croatia | 1998 | |
| Croatia | 2002 | 4.08 |
| Croatia | 2005 | 3.85 |
| Croatia | 2008 | 3.44 |
| Croatia | 2012 | 3.19 |
| Croatia | 2013 | 3.51 |
| Croatia | 2014 | 3.86 |
| Cyprus | 1995 | 2.62 |
| Cyprus | 1998 | 2.3 |
| Cyprus | 2002 | 2.73 |
| Cyprus | 2005 | 3.34 |
| Cyprus | 2008 | 3.05 |
| Cyprus | 2012 | 2.57 |
| Cyprus | 2013 | 2.73 |
| Cyprus | 2014 | 3.08 |
| Czech Republic | 1995 | 2.65 |
| Czech Republic | 1998 | 2.19 |
| Czech Republic | 2002 | 2.28 |
| Czech Republic | 2005 | 2.48 |
| Czech Republic | 2008 | 2.26 |
| Czech Republic | 2012 | 2.24 |
| Czech Republic | 2013 | 2.14 |
| Czech Republic | 2014 | 2.12 |
| Denmark | 1995 | 4.31 |
| Denmark | 1998 | 5.26 |
| Denmark | 2002 | 5 |
| Denmark | 2005 | 4.92 |
| Denmark | 2008 | 4.18 |
| Denmark | 2012 | 3.99 |
| Denmark | 2013 | 4.2 |
| Denmark | 2014 | 4.08 |
| Estonia | 1995 | 0.88 |
| Estonia | 1998 | 1.9 |
| Estonia | 2002 | 1.99 |
| Estonia | 2005 | 2.27 |
| Estonia | 2008 | 2.32 |
| Estonia | 2012 | 2.72 |
| Estonia | 2013 | 2.55 |
| Estonia | 2014 | 2.67 |
| Finland | 1995 | 2.86 |
| Finland | 1998 | 3.23 |
| Finland | 2002 | 2.98 |
| Finland | 2005 | 2.97 |
| Finland | 2008 | 2.6 |
| Finland | 2012 | 2.98 |
| Finland | 2013 | 2.93 |
| Finland | 2014 | 2.88 |
| France | 1995 | 2.49 |
| France | 1998 | 2.43 |
| France | 2002 | 2.05 |
| France | 2005 | 2 |
| France | 2008 | 1.84 |
| France | 2012 | 1.96 |
| France | 2013 | 2.03 |
| France | 2014 | 2.05 |
| Germany | 1995 | 2.12 |
| Germany | 1998 | 2.09 |
| Germany | 2002 | 2.47 |
| Germany | 2005 | 2.42 |
| Germany | 2008 | 2.14 |
| Germany | 2012 | 2.12 |
| Germany | 2013 | 2.04 |
| Germany | 2014 | 2 |
| Greece | 1995 | 3.09 |
| Greece | 1998 | 2.78 |
| Greece | 2002 | 2.24 |
| Greece | 2005 | 2.08 |
| Greece | 2008 | 1.91 |
| Greece | 2012 | 3.16 |
| Greece | 2013 | 3.55 |
| Greece | 2014 | 3.68 |
| Hungary | 1995 | 2.89 |
| Hungary | 1998 | 3.32 |
| Hungary | 2002 | 2.74 |
| Hungary | 2005 | 2.75 |
| Hungary | 2008 | 2.68 |
| Hungary | 2012 | 2.71 |
| Hungary | 2013 | 2.59 |
| Hungary | 2014 | 2.6 |
| Ireland | 1995 | 2.96 |
| Ireland | 1998 | 2.93 |
| Ireland | 2002 | 2.27 |
| Ireland | 2005 | 2.48 |
| Ireland | 2008 | 2.3 |
| Ireland | 2012 | 2.38 |
| Ireland | 2013 | 2.45 |
| Ireland | 2014 | 2.43 |
| Italy | 1995 | 3.46 |
| Italy | 1998 | 3.24 |
| Italy | 2002 | 2.93 |
| Italy | 2005 | 2.9 |
| Italy | 2008 | 2.56 |
| Italy | 2012 | 3.49 |
| Italy | 2013 | 3.42 |
| Italy | 2014 | 3.6 |
| Latvia | 1995 | 0.99 |
| Latvia | 1998 | 2.79 |
| Latvia | 2002 | 2.14 |
| Latvia | 2005 | 2.53 |
| Latvia | 2008 | 1.85 |
| Latvia | 2012 | 2.45 |
| Latvia | 2013 | 2.45 |
| Latvia | 2014 | 2.67 |
| Lithuania | 1995 | 1.87 |
| Lithuania | 1998 | 2.54 |
| Lithuania | 2002 | 2.81 |
| Lithuania | 2005 | 2.29 |
| Lithuania | 2008 | 1.63 |
| Lithuania | 2012 | 1.64 |
| Lithuania | 2013 | 1.64 |
| Lithuania | 2014 | 1.7 |
| Luxembourg | 1995 | 2.97 |
| Luxembourg | 1998 | 2.93 |
| Luxembourg | 2002 | 2.68 |
| Luxembourg | 2005 | 3 |
| Luxembourg | 2008 | 2.62 |
| Luxembourg | 2012 | 2.38 |
| Luxembourg | 2013 | 2.16 |
| Luxembourg | 2014 | 1.99 |
| Malta | 1995 | 3.1 |
| Malta | 1998 | 3.76 |
| Malta | 2002 | 3.27 |
| Malta | 2005 | 3.08 |
| Malta | 2008 | 3.27 |
| Malta | 2012 | 2.83 |
| Malta | 2013 | 2.68 |
| Malta | 2014 | 2.89 |
| Netherlands | 1995 | 3.28 |
| Netherlands | 1998 | 3.41 |
| Netherlands | 2002 | 3.29 |
| Netherlands | 2005 | 3.56 |
| Netherlands | 2008 | 3.48 |
| Netherlands | 2012 | 3.28 |
| Netherlands | 2013 | 3.31 |
| Netherlands | 2014 | 3.36 |
| Poland | 1995 | 1.78 |
| Poland | 1998 | 1.89 |
| Poland | 2002 | 2.46 |
| Poland | 2005 | 2.69 |
| Poland | 2008 | 2.66 |
| Poland | 2012 | 2.49 |
| Poland | 2013 | 2.39 |
| Poland | 2014 | 2.51 |
| Portugal | 1995 | 3.35 |
| Portugal | 1998 | 3.34 |
| Portugal | 2002 | 2.99 |
| Portugal | 2005 | 2.89 |
| Portugal | 2008 | 2.48 |
| Portugal | 2012 | 2.16 |
| Portugal | 2013 | 2.21 |
| Portugal | 2014 | 2.25 |
| Romania | 1995 | 1.74 |
| Romania | 1998 | 3.03 |
| Romania | 2002 | 2.11 |
| Romania | 2005 | 1.98 |
| Romania | 2008 | 1.75 |
| Romania | 2012 | 1.98 |
| Romania | 2013 | 2.05 |
| Romania | 2014 | 2.42 |
| Slovakia | 1995 | 2.29 |
| Slovakia | 1998 | 1.89 |
| Slovakia | 2002 | 2.16 |
| Slovakia | 2005 | 2.34 |
| Slovakia | 2008 | 2 |
| Slovakia | 2012 | 1.73 |
| Slovakia | 2013 | 1.73 |
| Slovakia | 2014 | 1.79 |
| Slovenia | 1995 | 4.13 |
| Slovenia | 1998 | 4.95 |
| Slovenia | 2002 | 3.19 |
| Slovenia | 2005 | 3.15 |
| Slovenia | 2008 | 2.95 |
| Slovenia | 2012 | 3.83 |
| Slovenia | 2013 | 3.97 |
| Slovenia | 2014 | 3.89 |
| Spain | 1995 | 2.14 |
| Spain | 1998 | 2.22 |
| Spain | 2002 | 2.03 |
| Spain | 2005 | 1.9 |
| Spain | 2008 | 1.63 |
| Spain | 2012 | 1.57 |
| Spain | 2013 | 1.9 |
| Spain | 2014 | 1.85 |
| Sweden | 1995 | 2.69 |
| Sweden | 1998 | 2.89 |
| Sweden | 2002 | 2.74 |
| Sweden | 2005 | 2.72 |
| Sweden | 2008 | 2.57 |
| Sweden | 2012 | 2.4 |
| Sweden | 2013 | 2.36 |
| Sweden | 2014 | 2.21 |
| United Kingdom | 1995 | 2.7 |
| United Kingdom | 1998 | 2.93 |
| United Kingdom | 2002 | 2.62 |
| United Kingdom | 2005 | 2.38 |
| United Kingdom | 2008 | 2.35 |
| United Kingdom | 2012 | 2.48 |
| United Kingdom | 2013 | 2.49 |
| United Kingdom | 2014 | 2.48 |
| Norway | 1995 | 3.62 |
| Norway | 1998 | 3.66 |
| Norway | 2002 | 3.24 |
| Norway | 2005 | 2.96 |
| Norway | 2008 | 2.64 |
| Norway | 2012 | 2.36 |
| Norway | 2013 | 2.36 |
| Norway | 2014 | 2.31 |
| Switzerland | 1995 | 1.61 |
| Switzerland | 1998 | 1.67 |
| Switzerland | 2002 | 1.78 |
| Switzerland | 2005 | 1.81 |
| Switzerland | 2008 | 1.68 |
| Switzerland | 2012 | 1.72 |
| Switzerland | 2013 | 1.69 |
| Switzerland | 2014 |