| country | period | value |
|---|---|---|
| Australia | 2000 | 11.361 |
| Australia | 2001 | 9.552 |
| Australia | 2002 | 8.576 |
| Australia | 2003 | 7.549 |
| Australia | 2004 | 6.716 |
| Australia | 2005 | 6.312 |
| Australia | 2006 | 5.76 |
| Australia | 2007 | 5.181 |
| Australia | 2008 | 4.922 |
| Australia | 2009 | 8.195 |
| Australia | 2010 | 10.966 |
| Austria | 2000 | 61.188 |
| Austria | 2001 | 60.659 |
| Austria | 2002 | 60.401 |
| Austria | 2003 | 60.882 |
| Austria | 2004 | 62.242 |
| Austria | 2005 | 62.116 |
| Austria | 2006 | 60.434 |
| Austria | 2007 | 57.829 |
| Austria | 2008 | 59.319 |
| Austria | 2009 | 64.916 |
| Austria | 2010 | 65.754 |
| Belgium | 2000 | 99.542 |
| Belgium | 2001 | 99.125 |
| Belgium | 2002 | 97.948 |
| Belgium | 2003 | 95.395 |
| Belgium | 2004 | 92.763 |
| Belgium | 2005 | 91.774 |
| Belgium | 2006 | 87.568 |
| Belgium | 2007 | 85.295 |
| Belgium | 2008 | 90.094 |
| Belgium | 2009 | 94.893 |
| Belgium | 2010 | 96.789 |
| Canada | 2000 | 40.863 |
| Canada | 2001 | 39.713 |
| Canada | 2002 | 38.091 |
| Canada | 2003 | 35.853 |
| Canada | 2004 | 32.109 |
| Canada | 2005 | 30.235 |
| Canada | 2006 | 27.934 |
| Canada | 2007 | 25.183 |
| Canada | 2008 | 28.642 |
| Canada | 2009 | 35.716 |
| Canada | 2010 | 36.073 |
| Chile | 2000 | 13.642 |
| Chile | 2001 | 14.924 |
| Chile | 2002 | 15.675 |
| Chile | 2003 | 13.001 |
| Chile | 2004 | 10.684 |
| Chile | 2005 | 7.282 |
| Chile | 2006 | 5.264 |
| Chile | 2007 | 4.097 |
| Chile | 2008 | 5.173 |
| Chile | 2009 | 6.228 |
| Chile | 2010 | 9.185 |
| Czech Republic | 2000 | 13.216 |
| Czech Republic | 2001 | 14.669 |
| Czech Republic | 2002 | 16.064 |
| Czech Republic | 2003 | 19.137 |
| Czech Republic | 2004 | 21.064 |
| Czech Republic | 2005 | 23.164 |
| Czech Republic | 2006 | 24.904 |
| Czech Republic | 2007 | 25.24 |
| Czech Republic | 2008 | 27.102 |
| Czech Republic | 2009 | 32.496 |
| Czech Republic | 2010 | 36.625 |
| Denmark | 2000 | 54.809 |
| Denmark | 2001 | 52.02 |
| Denmark | 2002 | 51.623 |
| Denmark | 2003 | 49.608 |
| Denmark | 2004 | 46.958 |
| Denmark | 2005 | 39.292 |
| Denmark | 2006 | 32.715 |
| Denmark | 2007 | 27.765 |
| Denmark | 2008 | 32.318 |
| Denmark | 2009 | 37.891 |
| Denmark | 2010 | 39.59 |
| Estonia | 2000 | 3.336 |
| Estonia | 2001 | 2.925 |
| Estonia | 2002 | 3.555 |
| Estonia | 2003 | 3.141 |
| Estonia | 2004 | 2.634 |
| Estonia | 2005 | 2.091 |
| Estonia | 2006 | 1.836 |
| Estonia | 2007 | 1.319 |
| Estonia | 2008 | 1.761 |
| Estonia | 2009 | 3.55 |
| Estonia | 2010 | 3.227 |
| Finland | 2000 | 48.017 |
| Finland | 2001 | 44.368 |
| Finland | 2002 | 41.279 |
| Finland | 2003 | 43.544 |
| Finland | 2004 | 41.925 |
| Finland | 2005 | 38.17 |
| Finland | 2006 | 35.561 |
| Finland | 2007 | 31.201 |
| Finland | 2008 | 29.452 |
| Finland | 2009 | 37.549 |
| Finland | 2010 | 41.683 |
| France | 2000 | 47.417 |
| France | 2001 | 48.346 |
| France | 2002 | 49.941 |
| France | 2003 | 51.88 |
| France | 2004 | 52.561 |
| France | 2005 | 53.275 |
| France | 2006 | 52.131 |
| France | 2007 | 52.118 |
| France | 2008 | 53.406 |
| France | 2009 | 61.231 |
| France | 2010 | 67.418 |
| Germany | 2000 | 38.357 |
| Germany | 2001 | 36.452 |
| Germany | 2002 | 37.164 |
| Germany | 2003 | 38.48 |
| Germany | 2004 | 39.862 |
| Germany | 2005 | 40.832 |
| Germany | 2006 | 41.232 |
| Germany | 2007 | 39.55 |
| Germany | 2008 | 39.55 |
| Germany | 2009 | 44.205 |
| Germany | 2010 | 44.403 |
| Greece | 2000 | 108.926 |
| Greece | 2001 | 109.684 |
| Greece | 2002 | 109.199 |
| Greece | 2003 | 105.777 |
| Greece | 2004 | 108.624 |
| Greece | 2005 | 110.572 |
| Greece | 2006 | 107.675 |
| Greece | 2007 | 105.674 |
| Greece | 2008 | 110.617 |
| Greece | 2009 | 127.022 |
| Greece | 2010 | 147.839 |
| Hungary | 2000 | 54.052 |
| Hungary | 2001 | 50.431 |
| Hungary | 2002 | 53.532 |
| Hungary | 2003 | 56.203 |
| Hungary | 2004 | 55.673 |
| Hungary | 2005 | 58.103 |
| Hungary | 2006 | 61.971 |
| Hungary | 2007 | 61.551 |
| Hungary | 2008 | 67.668 |
| Hungary | 2009 | 72.79 |
| Hungary | 2010 | 73.898 |
| Iceland | 2000 | 33.83 |
| Iceland | 2001 | 39.238 |
| Iceland | 2002 | 35.26 |
| Iceland | 2003 | 33.327 |
| Iceland | 2004 | 28.179 |
| Iceland | 2005 | 19.378 |
| Iceland | 2006 | 24.807 |
| Iceland | 2007 | 23.237 |
| Iceland | 2008 | 44.175 |
| Iceland | 2009 | 87.473 |
| Iceland | 2010 | 81.257 |
| Ireland | 2000 | 34.766 |
| Ireland | 2001 | 30.892 |
| Ireland | 2002 | 27.869 |
| Ireland | 2003 | 26.863 |
| Ireland | 2004 | 25.343 |
| Ireland | 2005 | 23.524 |
| Ireland | 2006 | 20.253 |
| Ireland | 2007 | 19.834 |
| Ireland | 2008 | 28.001 |
| Ireland | 2009 | 47.074 |
| Ireland | 2010 | 60.703 |
| Israel | 2000 | 83.38 |
| Israel | 2001 | 87.836 |
| Israel | 2002 | 95.349 |
| Israel | 2003 | 97.813 |
| Israel | 2004 | 96.64 |
| Israel | 2005 | 92.102 |
| Israel | 2006 | 82.659 |
| Israel | 2007 | 75.948 |
| Israel | 2008 | 75.307 |
| Israel | 2009 | 77.693 |
| Israel | 2010 | 74.714 |
| Italy | 2000 | 103.576 |
| Italy | 2001 | 102.658 |
| Italy | 2002 | 99.543 |
| Italy | 2003 | 96.699 |
| Italy | 2004 | 96.313 |
| Italy | 2005 | 97.656 |
| Italy | 2006 | 97.454 |
| Italy | 2007 | 95.627 |
| Italy | 2008 | 98.093 |
| Italy | 2009 | 106.778 |
| Italy | 2010 | 109.015 |
| Japan | 2000 | 106.118 |
| Japan | 2001 | 123.521 |
| Japan | 2002 | 137.61 |
| Japan | 2003 | 140.896 |
| Japan | 2004 | 156.805 |
| Japan | 2005 | 164.498 |
| Japan | 2006 | 161.806 |
| Japan | 2007 | 164.546 |
| Japan | 2008 | 180.783 |
| Japan | 2009 | 183.53 |
| Korea | 2000 | 16.733 |
| Korea | 2001 | 17.365 |
| Korea | 2002 | 17.574 |
| Korea | 2003 | 20.704 |
| Korea | 2004 | 23.714 |
| Korea | 2005 | 27.595 |
| Korea | 2006 | 30.065 |
| Korea | 2007 | 29.651 |
| Korea | 2008 | 29.027 |
| Korea | 2009 | 32.558 |
| Korea | 2010 | 31.935 |
| Luxembourg | 2000 | 3.17 |
| Luxembourg | 2001 | 3.092 |
| Luxembourg | 2002 | 2.678 |
| Luxembourg | 2003 | 1.686 |
| Luxembourg | 2004 | 1.428 |
| Luxembourg | 2005 | 0.821 |
| Luxembourg | 2006 | 1.458 |
| Luxembourg | 2007 | 1.419 |
| Luxembourg | 2008 | 8.153 |
| Luxembourg | 2009 | 8.489 |
| Luxembourg | 2010 | 12.578 |
| Mexico | 2000 | 21.201 |
| Mexico | 2001 | 20.511 |
| Mexico | 2002 | 21.908 |
| Mexico | 2003 | 22.07 |
| Mexico | 2004 | 20.745 |
| Mexico | 2005 | 20.295 |
| Mexico | 2006 | 20.583 |
| Mexico | 2007 | 20.861 |
| Mexico | 2008 | 24.369 |
| Mexico | 2009 | 28.086 |
| Mexico | 2010 | 27.46 |
| Netherlands | 2000 | 44.094 |
| Netherlands | 2001 | 41.317 |
| Netherlands | 2002 | 41.455 |
| Netherlands | 2003 | 42.957 |
| Netherlands | 2004 | 43.752 |
| Netherlands | 2005 | 42.952 |
| Netherlands | 2006 | 39.169 |
| Netherlands | 2007 | 37.552 |
| Netherlands | 2008 | 50.068 |
| Netherlands | 2009 | 49.719 |
| Netherlands | 2010 | 51.845 |
| New Zealand | 2000 | 32.143 |
| New Zealand | 2001 | 30.067 |
| New Zealand | 2002 | 28.4 |
| New Zealand | 2003 | 26.352 |
| New Zealand | 2004 | 23.734 |
| New Zealand | 2005 | 22.069 |
| New Zealand | 2006 | 21.58 |
| New Zealand | 2007 | 20.343 |
| New Zealand | 2008 | 20.721 |
| New Zealand | 2009 | 27.53 |
| New Zealand | 2010 | 30.45 |
| Norway | 2000 | 19.303 |
| Norway | 2001 | 18.134 |
| Norway | 2002 | 18.994 |
| Norway | 2003 | 21.322 |
| Norway | 2004 | 18.402 |
| Norway | 2005 | 17.173 |
| Norway | 2006 | 12.473 |
| Norway | 2007 | 11.681 |
| Norway | 2008 | 13.905 |
| Norway | 2009 | 26.363 |
| Norway | 2010 | 26.077 |
| Poland | 2000 | 35.844 |
| Poland | 2001 | 36.423 |
| Poland | 2002 | 40.553 |
| Poland | 2003 | 44.944 |
| Poland | 2004 | 43.574 |
| Poland | 2005 | 44.764 |
| Poland | 2006 | 45.143 |
| Poland | 2007 | 42.62 |
| Poland | 2008 | 44.686 |
| Poland | 2009 | 47.015 |
| Poland | 2010 | 49.679 |
| Portugal | 2000 | 52.103 |
| Portugal | 2001 | 54.012 |
| Portugal | 2002 | 56.71 |
| Portugal | 2003 | 58.299 |
| Portugal | 2004 | 60.97 |
| Portugal | 2005 | 66.194 |
| Portugal | 2006 | 67.732 |
| Portugal | 2007 | 66.622 |
| Portugal | 2008 | 68.88 |
| Portugal | 2009 | 78.73 |
| Portugal | 2010 | 87.962 |
| Slovak Republic | 2000 | 23.875 |
| Slovak Republic | 2001 | 36.009 |
| Slovak Republic | 2002 | 35.031 |
| Slovak Republic | 2003 | 35.069 |
| Slovak Republic | 2004 | 38.405 |
| Slovak Republic | 2005 | 33.103 |
| Slovak Republic | 2006 | 29.164 |
| Slovak Republic | 2007 | 28.108 |
| Slovak Republic | 2008 | 26.342 |
| Slovak Republic | 2009 | 33.749 |
| Slovak Republic | 2010 | 39.078 |
| Slovenia | 2003 | 26.871 |
| Slovenia | 2004 | 27.063 |
| Slovenia | 2005 | 26.9 |
| Slovenia | 2006 | 25.782 |
| Slovenia | 2007 | 23.207 |
| Slovenia | 2008 | 21.188 |
| Slovenia | 2009 | 33.628 |
| Slovenia | 2010 | 36.023 |
| Spain | 2000 | 49.872 |
| Spain | 2001 | 46.274 |
| Spain | 2002 | 43.942 |
| Spain | 2003 | 40.68 |
| Spain | 2004 | 39.268 |
| Spain | 2005 | 36.36 |
| Spain | 2006 | 32.965 |
| Spain | 2007 | 30.019 |
| Spain | 2008 | 33.695 |
| Spain | 2009 | 46.026 |
| Spain | 2010 | 51.693 |
| Sweden | 2000 | 56.887 |
| Sweden | 2001 | 48.625 |
| Sweden | 2002 | 46.781 |
| Sweden | 2003 | 47.712 |
| Sweden | 2004 | 46.612 |
| Sweden | 2005 | 46.232 |
| Sweden | 2006 | 42.242 |
| Sweden | 2007 | 36.406 |
| Sweden | 2008 | 35.56 |
| Sweden | 2009 | 38.098 |
| Sweden | 2010 | 33.782 |
| Switzerland | 2000 | 25.614 |
| Switzerland | 2001 | 24.822 |
| Switzerland | 2002 | 28.178 |
| Switzerland | 2003 | 28.262 |
| Switzerland | 2004 | 28.066 |
| Switzerland | 2005 | 28.102 |
| Switzerland | 2006 | 25.195 |
| Switzerland | 2007 | 23.216 |
| Switzerland | 2008 | 22.376 |
| Switzerland | 2009 | 20.723 |
| Switzerland | 2010 | 20.24 |
| Turkey | 2000 | 38.184 |
| Turkey | 2001 | 74.06 |
| Turkey | 2002 | 69.239 |
| Turkey | 2003 | 62.185 |
| Turkey | 2004 | 56.621 |
| Turkey | 2005 | 51.087 |
| Turkey | 2006 | 45.498 |
| Turkey | 2007 | 39.551 |
| Turkey | 2008 | 40.011 |
| Turkey | 2009 | 46.35 |
| Turkey | 2010 | 42.851 |
| United Kingdom | 2000 | 42.153 |
| United Kingdom | 2001 | 38.788 |
| United Kingdom | 2002 | 39.131 |
| United Kingdom | 2003 | 38.667 |
| United Kingdom | 2004 | 40.023 |
| United Kingdom | 2005 | 43.523 |
| United Kingdom | 2006 | 43.185 |
| United Kingdom | 2007 | 42.744 |
| United Kingdom | 2008 | 61.059 |
| United Kingdom | 2009 | 75.27 |
| United Kingdom | 2010 | 85.535 |
| United States | 2000 | 33.896 |
| United States | 2001 | 32.408 |
| United States | 2002 | 33.204 |
| United States | 2003 | 34.865 |
| United States | 2004 | 36.044 |
| United States | 2005 | 36.149 |
| United States | 2006 | 36.039 |
| United States | 2007 | 35.703 |
| United States | 2008 | 40.183 |
| United States | 2009 | 53.573 |
| United States | 2010 | 61.274 |