| year | geo | value |
|---|---|---|
| 2005 | Austria | 28.9 |
| 2005 | Austria | 23.8 |
| 2005 | Belgium | 29.8 |
| 2005 | Belgium | 15.0 |
| 2005 | Bulgaria | 49.8 |
| 2005 | Czechia | 34.9 |
| 2005 | Czechia | 26.1 |
| 2005 | Denmark | 23.4 |
| 2005 | Denmark | 10.8 |
| 2005 | Estonia | 20.7 |
| 2005 | European Union - 28 countries (2013-2020) | 28.4 |
| 2005 | European Union - 28 countries (2013-2020) | 15.6 |
| 2005 | Finland | 14.8 |
| 2005 | Finland | 8.3 |
| 2005 | France | 20.2 |
| 2005 | France | 13.5 |
| 2005 | Germany (until 1990 former territory of the FRG) | 24.3 |
| 2005 | Germany (until 1990 former territory of the FRG) | 15.6 |
| 2005 | Greece | 41.1 |
| 2005 | Greece | 28.6 |
| 2005 | Hungary | 39.0 |
| 2005 | Iceland | 19.6 |
| 2005 | Iceland | 7.7 |
| 2005 | Ireland | 15.3 |
| 2005 | Italy | 40.5 |
| 2005 | Lithuania | 22.8 |
| 2005 | Netherlands | 30.0 |
| 2005 | Norway | 22.3 |
| 2005 | Norway | 9.5 |
| 2005 | Poland | 37.3 |
| 2005 | Poland | 23.8 |
| 2005 | Portugal | 33.0 |
| 2005 | Portugal | 15.3 |
| 2005 | Romania | 49.4 |
| 2005 | Slovakia | 33.8 |
| 2005 | Slovenia | 36.8 |
| 2005 | Spain | 33.5 |
| 2005 | Spain | 14.5 |
| 2005 | Sweden | 19.5 |
| 2005 | Sweden | 11.1 |
| 2005 | Switzerland | 22.5 |
| 2005 | Switzerland | 18.5 |
| 2005 | United Kingdom | 23.3 |
| 2005 | United Kingdom | 12.8 |
| 2006 | Austria | 30.4 |
| 2006 | Austria | 25.0 |
| 2006 | Belgium | 30.8 |
| 2006 | Belgium | 18.5 |
| 2006 | Bulgaria | 53.6 |
| 2006 | Bulgaria | 44.7 |
| 2006 | Czechia | 35.8 |
| 2006 | Czechia | 25.0 |
| 2006 | Denmark | 27.2 |
| 2006 | Denmark | 11.7 |
| 2006 | Estonia | 22.7 |
| 2006 | European Union - 28 countries (2013-2020) | 30.2 |
| 2006 | European Union - 28 countries (2013-2020) | 18.0 |
| 2006 | Finland | 15.7 |
| 2006 | Finland | 9.8 |
| 2006 | France | 20.9 |
| 2006 | France | 13.6 |
| 2006 | Germany (until 1990 former territory of the FRG) | 26.0 |
| 2006 | Germany (until 1990 former territory of the FRG) | 17.6 |
| 2006 | Greece | 42.5 |
| 2006 | Hungary | 37.4 |
| 2006 | Iceland | 20.2 |
| 2006 | Ireland | 16.5 |
| 2006 | Italy | 39.2 |
| 2006 | Italy | 30.8 |
| 2006 | Lithuania | 20.3 |
| 2006 | Luxembourg | 21.0 |
| 2006 | Netherlands | 32.5 |
| 2006 | Norway | 22.6 |
| 2006 | Norway | 10.0 |
| 2006 | Poland | 42.9 |
| 2006 | Poland | 24.3 |
| 2006 | Portugal | 31.5 |
| 2006 | Portugal | 13.6 |
| 2006 | Romania | 52.8 |
| 2006 | Slovakia | 31.2 |
| 2006 | Slovakia | 33.3 |
| 2006 | Slovenia | 33.3 |
| 2006 | Spain | 34.8 |
| 2006 | Spain | 21.0 |
| 2006 | Sweden | 20.1 |
| 2006 | Sweden | 11.7 |
| 2006 | Switzerland | 24.9 |
| 2006 | Switzerland | 18.1 |
| 2006 | United Kingdom | 24.7 |
| 2006 | United Kingdom | 14.0 |
| 2007 | Austria | 23.3 |
| 2007 | Austria | 23.1 |
| 2007 | Belgium | 26.2 |
| 2007 | Belgium | 21.1 |
| 2007 | Bulgaria | 53.7 |
| 2007 | Bulgaria | 41.2 |
| 2007 | Czechia | 27.3 |
| 2007 | Czechia | 18.0 |
| 2007 | Denmark | 21.9 |
| 2007 | Denmark | 10.3 |
| 2007 | Estonia | 18.6 |
| 2007 | Estonia | 10.9 |
| 2007 | European Union - 28 countries (2013-2020) | 28.8 |
| 2007 | European Union - 28 countries (2013-2020) | 16.8 |
| 2007 | Finland | 15.6 |
| 2007 | Finland | 8.8 |
| 2007 | France | 26.9 |
| 2007 | France | 12.9 |
| 2007 | Germany (until 1990 former territory of the FRG) | 22.4 |
| 2007 | Germany (until 1990 former territory of the FRG) | 15.7 |
| 2007 | Greece | 37.8 |
| 2007 | Greece | 26.2 |
| 2007 | Hungary | 31.6 |
| 2007 | Iceland | 11.5 |
| 2007 | Ireland | 14.7 |
| 2007 | Italy | 37.9 |
| 2007 | Italy | 28.8 |
| 2007 | Lithuania | 20.6 |
| 2007 | Luxembourg | 17.2 |
| 2007 | Netherlands | 31.2 |
| 2007 | Norway | 20.3 |
| 2007 | Poland | 32.4 |
| 2007 | Poland | 17.1 |
| 2007 | Portugal | 30.7 |
| 2007 | Portugal | 14.7 |
| 2007 | Romania | 45.6 |
| 2007 | Slovakia | 28.7 |
| 2007 | Slovakia | 26.4 |
| 2007 | Slovenia | 32.3 |
| 2007 | Spain | 33.0 |
| 2007 | Spain | 15.6 |
| 2007 | Sweden | 17.2 |
| 2007 | Sweden | 9.5 |
| 2007 | Switzerland | 20.5 |
| 2007 | Switzerland | 15.6 |
| 2007 | United Kingdom | 24.0 |
| 2007 | United Kingdom | 14.2 |
| 2008 | Austria | 22.6 |
| 2008 | Austria | 19.9 |
| 2008 | Belgium | 26.1 |
| 2008 | Belgium | 18.6 |
| 2008 | Bulgaria | 60.4 |
| 2008 | Bulgaria | 41.5 |
| 2008 | Czechia | 25.9 |
| 2008 | Czechia | 19.3 |
| 2008 | Denmark | 21.4 |
| 2008 | Denmark | 10.8 |
| 2008 | Estonia | 11.1 |
| 2008 | Estonia | 5.4 |
| 2008 | European Union - 28 countries (2013-2020) | 26.5 |
| 2008 | European Union - 28 countries (2013-2020) | 17.2 |
| 2008 | Finland | 13.4 |
| 2008 | Finland | 8.4 |
| 2008 | France | 24.0 |
| 2008 | France | 15.7 |
| 2008 | Germany (until 1990 former territory of the FRG) | 21.1 |
| 2008 | Germany (until 1990 former territory of the FRG) | 16.2 |
| 2008 | Greece | 41.6 |
| 2008 | Greece | 24.3 |
| 2008 | Hungary | 29.3 |
| 2008 | Ireland | 13.8 |
| 2008 | Italy | 34.7 |
| 2008 | Italy | 25.1 |
| 2008 | Latvia | 23.8 |
| 2008 | Latvia | 19.4 |
| 2008 | Lithuania | 18.5 |
| 2008 | Luxembourg | 14.4 |
| 2008 | Netherlands | 25.3 |
| 2008 | Netherlands | 16.3 |
| 2008 | Norway | 18.9 |
| 2008 | Norway | 8.1 |
| 2008 | Poland | 31.7 |
| 2008 | Poland | 28.6 |
| 2008 | Portugal | 25.0 |
| 2008 | Portugal | 10.7 |
| 2008 | Romania | 40.1 |
| 2008 | Slovakia | 27.1 |
| 2008 | Slovakia | 25.1 |
| 2008 | Slovenia | 29.1 |
| 2008 | Slovenia | 23.9 |
| 2008 | Spain | 28.4 |
| 2008 | Spain | 13.3 |
| 2008 | Sweden | 17.4 |
| 2008 | Sweden | 9.2 |
| 2008 | Switzerland | 20.1 |
| 2008 | Switzerland | 14.3 |
| 2008 | United Kingdom | 20.8 |
| 2008 | United Kingdom | 12.9 |
| 2009 | Austria | 23.9 |
| 2009 | Austria | 17.9 |
| 2009 | Belgium | 29.0 |
| 2009 | Belgium | 18.9 |
| 2009 | Bulgaria | 54.0 |
| 2009 | Bulgaria | 24.7 |
| 2009 | Cyprus | 21.5 |
| 2009 | Czechia | 26.8 |
| 2009 | Czechia | 20.3 |
| 2009 | Denmark | 17.0 |
| 2009 | Denmark | 10.2 |
| 2009 | Estonia | 13.3 |
| 2009 | Estonia | 6.2 |
| 2009 | European Union - 28 countries (2013-2020) | 26.5 |
| 2009 | European Union - 28 countries (2013-2020) | 17.4 |
| 2009 | Finland | 13.1 |
| 2009 | Finland | 7.6 |
| 2009 | France | 26.5 |
| 2009 | France | 18.1 |
| 2009 | Germany (until 1990 former territory of the FRG) | 22.5 |
| 2009 | Germany (until 1990 former territory of the FRG) | 16.8 |
| 2009 | Greece | 34.2 |
| 2009 | Greece | 20.0 |
| 2009 | Hungary | 29.7 |
| 2009 | Hungary | 16.0 |
| 2009 | Iceland | 8.6 |
| 2009 | Iceland | 6.0 |
| 2009 | Ireland | 13.3 |
| 2009 | Ireland | 9.6 |
| 2009 | Italy | 33.2 |
| 2009 | Italy | 25.1 |
| 2009 | Latvia | 20.3 |
| 2009 | Latvia | 15.8 |
| 2009 | Lithuania | 23.0 |
| 2009 | Luxembourg | 14.2 |
| 2009 | Luxembourg | 18.9 |
| 2009 | Netherlands | 25.3 |
| 2009 | Netherlands | 16.7 |
| 2009 | Norway | 19.1 |
| 2009 | Norway | 8.2 |
| 2009 | Poland | 35.0 |
| 2009 | Poland | 28.5 |
| 2009 | Portugal | 26.5 |
| 2009 | Portugal | 10.8 |
| 2009 | Romania | 29.9 |
| 2009 | Romania | 19.0 |
| 2009 | Slovakia | 24.8 |
| 2009 | Slovakia | 27.2 |
| 2009 | Slovenia | 27.5 |
| 2009 | Slovenia | 18.7 |
| 2009 | Spain | 26.9 |
| 2009 | Spain | 15.3 |
| 2009 | Sweden | 14.5 |
| 2009 | Sweden | 7.2 |
| 2009 | Switzerland | 20.5 |
| 2009 | Switzerland | 14.6 |
| 2009 | United Kingdom | 19.3 |
| 2009 | United Kingdom | 13.2 |
| 2010 | Austria | 26.9 |
| 2010 | Austria | 19.9 |
| 2010 | Belgium | 27.0 |
| 2010 | Belgium | 17.7 |
| 2010 | Bulgaria | 48.4 |
| 2010 | Bulgaria | 31.1 |
| 2010 | Cyprus | 48.0 |
| 2010 | Cyprus | 22.2 |
| 2010 | Czechia | 29.9 |
| 2010 | Czechia | 22.8 |
| 2010 | Denmark | 12.1 |
| 2010 | Denmark | 11.0 |
| 2010 | Estonia | 13.9 |
| 2010 | Estonia | 7.6 |
| 2010 | European Union - 28 countries (2013-2020) | 26.2 |
| 2010 | European Union - 28 countries (2013-2020) | 18.1 |
| 2010 | Finland | 13.4 |
| 2010 | Finland | 8.4 |
| 2010 | France | 25.0 |
| 2010 | France | 18.3 |
| 2010 | Germany (until 1990 former territory of the FRG) | 23.1 |
| 2010 | Germany (until 1990 former territory of the FRG) | 17.5 |
| 2010 | Greece | 33.4 |
| 2010 | Hungary | 31.3 |
| 2010 | Hungary | 22.3 |
| 2010 | Iceland | 10.8 |
| 2010 | Iceland | 7.7 |
| 2010 | Ireland | 15.6 |
| 2010 | Ireland | 10.9 |
| 2010 | Italy | 30.4 |
| 2010 | Italy | 23.4 |
| 2010 | Latvia | 24.4 |
| 2010 | Lithuania | 26.9 |
| 2010 | Luxembourg | 17.0 |
| 2010 | Luxembourg | 16.0 |
| 2010 | Netherlands | 24.7 |
| 2010 | Netherlands | 17.1 |
| 2010 | Norway | 19.7 |
| 2010 | Norway | 11.2 |
| 2010 | Poland | 39.7 |
| 2010 | Poland | 30.4 |
| 2010 | Portugal | 25.0 |
| 2010 | Portugal | 8.8 |
| 2010 | Romania | 34.9 |
| 2010 | Romania | 19.1 |
| 2010 | Slovakia | 29.6 |
| 2010 | Slovakia | 22.8 |
| 2010 | Slovenia | 28.2 |
| 2010 | Slovenia | 21.8 |
| 2010 | Spain | 23.8 |
| 2010 | Spain | 13.0 |
| 2010 | Sweden | 14.0 |
| 2010 | Sweden | 7.4 |
| 2010 | Switzerland | 20.3 |
| 2010 | United Kingdom | 17.8 |
| 2010 | United Kingdom | 13.6 |
| 2011 | Austria | 27.1 |
| 2011 | Austria | 19.0 |
| 2011 | Belgium | 17.7 |
| 2011 | Belgium | 26.7 |
| 2011 | Bulgaria | 57.3 |
| 2011 | Bulgaria | 41.3 |
| 2011 | Cyprus | 35.7 |
| 2011 | Cyprus | 23.2 |
| 2011 | Czechia | 29.2 |
| 2011 | Czechia | 21.0 |
| 2011 | Denmark | 16.3 |
| 2011 | Estonia | 12.5 |
| 2011 | Estonia | 6.9 |
| 2011 | European Union - 28 countries (2013-2020) | 27.3 |
| 2011 | European Union - 28 countries (2013-2020) | 18.3 |
| 2011 | Finland | 12.5 |
| 2011 | Finland | 7.5 |
| 2011 | France | 25.4 |
| 2011 | France | 17.8 |
| 2011 | Germany (until 1990 former territory of the FRG) | 22.9 |
| 2011 | Germany (until 1990 former territory of the FRG) | 17.1 |
| 2011 | Greece | 26.4 |
| 2011 | Greece | 17.0 |
| 2011 | Hungary | 33.3 |
| 2011 | Hungary | 26.5 |
| 2011 | Iceland | 9.1 |
| 2011 | Iceland | 4.7 |
| 2011 | Ireland | 15.7 |
| 2011 | Ireland | 8.9 |
| 2011 | Italy | 35.4 |
| 2011 | Italy | 26.0 |
| 2011 | Latvia | 23.0 |
| 2011 | Lithuania | 22.7 |
| 2011 | Luxembourg | 18.2 |
| 2011 | Luxembourg | 13.7 |
| 2011 | Netherlands | 25.3 |
| 2011 | Netherlands | 16.8 |
| 2011 | Norway | 19.6 |
| 2011 | Norway | 10.2 |
| 2011 | Poland | 39.7 |
| 2011 | Poland | 27.4 |
| 2011 | Portugal | 26.2 |
| 2011 | Portugal | 10.7 |
| 2011 | Romania | 39.1 |
| 2011 | Romania | 19.5 |
| 2011 | Slovakia | 34.4 |
| 2011 | Slovakia | 26.7 |
| 2011 | Slovenia | 31.0 |
| 2011 | Slovenia | 24.1 |
| 2011 | Spain | 24.3 |
| 2011 | Spain | 13.3 |
| 2011 | Sweden | 16.0 |
| 2011 | Sweden | 7.8 |
| 2011 | Switzerland | 21.3 |
| 2011 | United Kingdom | 21.7 |
| 2011 | United Kingdom | 14.6 |
| 2012 | Austria | 22.5 |
| 2012 | Austria | 16.2 |
| 2012 | Belgium | 24.8 |
| 2012 | Belgium | 16.1 |
| 2012 | Bulgaria | 45.9 |
| 2012 | Bulgaria | 29.3 |
| 2012 | Cyprus | 36.4 |
| 2012 | Cyprus | 24.3 |
| 2012 | Czechia | 27.2 |
| 2012 | Czechia | 19.2 |
| 2012 | Denmark | 17.4 |
| 2012 | Denmark | 11.1 |
| 2012 | Estonia | 12.7 |
| 2012 | Estonia | 7.8 |
| 2012 | European Union - 28 countries (2013-2020) | 24.8 |
| 2012 | European Union - 28 countries (2013-2020) | 16.6 |
| 2012 | Finland | 11.1 |
| 2012 | Finland | 7.0 |
| 2012 | France | 23.8 |
| 2012 | France | 16.0 |
| 2012 | Germany (until 1990 former territory of the FRG) | 19.8 |
| 2012 | Germany (until 1990 former territory of the FRG) | 14.3 |
| 2012 | Greece | 30.0 |
| 2012 | Greece | 18.4 |
| 2012 | Hungary | 28.8 |
| 2012 | Hungary | 23.4 |
| 2012 | Iceland | 8.7 |
| 2012 | Iceland | 4.6 |
| 2012 | Ireland | 12.7 |
| 2012 | Italy | 30.7 |
| 2012 | Italy | 23.0 |
| 2012 | Latvia | 22.8 |
| 2012 | Latvia | 17.3 |
| 2012 | Lithuania | 20.3 |
| 2012 | Luxembourg | 17.8 |
| 2012 | Luxembourg | 12.2 |
| 2012 | Netherlands | 21.2 |
| 2012 | Netherlands | 13.5 |
| 2012 | Norway | 16.0 |
| 2012 | Norway | 9.5 |
| 2012 | Poland | 37.3 |
| 2012 | Poland | 26.9 |
| 2012 | Portugal | 21.8 |
| 2012 | Portugal | 9.2 |
| 2012 | Romania | 33.3 |
| 2012 | Romania | 19.4 |
| 2012 | Slovakia | 28.9 |
| 2012 | Slovakia | 22.7 |
| 2012 | Slovenia | 25.4 |
| 2012 | Slovenia | 20.4 |
| 2012 | Spain | 23.7 |
| 2012 | Spain | 13.4 |
| 2012 | Sweden | 14.1 |
| 2012 | Sweden | 6.0 |
| 2012 | Switzerland | 18.4 |
| 2012 | United Kingdom | 18.3 |
| 2012 | United Kingdom | 13.2 |
| 2013 | Austria | 24.2 |
| 2013 | Austria | 17.5 |
| 2013 | Belgium | 25.0 |
| 2013 | Belgium | 17.0 |
| 2013 | Bulgaria | 43.7 |
| 2013 | Bulgaria | 26.3 |
| 2013 | Croatia | 34.0 |
| 2013 | Croatia | 21.9 |
| 2013 | Cyprus | 37.4 |
| 2013 | Cyprus | 17.0 |
| 2013 | Czechia | 27.3 |
| 2013 | Czechia | 20.2 |
| 2013 | Denmark | 15.9 |
| 2013 | Denmark | 10.3 |
| 2013 | Estonia | 13.8 |
| 2013 | Estonia | 8.1 |
| 2013 | European Union - 28 countries (2013-2020) | 24.0 |
| 2013 | European Union - 28 countries (2013-2020) | 15.5 |
| 2013 | Finland | 11.4 |
| 2013 | Finland | 6.7 |
| 2013 | France | 23.2 |
| 2013 | France | 15.8 |
| 2013 | Germany (until 1990 former territory of the FRG) | 20.3 |
| 2013 | Germany (until 1990 former territory of the FRG) | 14.6 |
| 2013 | Greece | 34.4 |
| 2013 | Greece | 10.0 |
| 2013 | Hungary | 27.3 |
| 2013 | Hungary | 17.3 |
| 2013 | Iceland | 11.5 |
| 2013 | Iceland | 7.0 |
| 2013 | Ireland | 15.0 |
| 2013 | Ireland | 10.3 |
| 2013 | Italy | 30.3 |
| 2013 | Italy | 20.1 |
| 2013 | Latvia | 21.4 |
| 2013 | Latvia | 16.8 |
| 2013 | Lithuania | 23.9 |
| 2013 | Luxembourg | 20.8 |
| 2013 | Luxembourg | 16.3 |
| 2013 | Netherlands | 21.2 |
| 2013 | Netherlands | 14.0 |
| 2013 | Norway | 16.7 |
| 2013 | Norway | 9.2 |
| 2013 | Poland | 33.8 |
| 2013 | Poland | 25.4 |
| 2013 | Portugal | 22.0 |
| 2013 | Portugal | 8.9 |
| 2013 | Romania | 28.0 |
| 2013 | Romania | 15.4 |
| 2013 | Slovakia | 24.5 |
| 2013 | Slovakia | 17.2 |
| 2013 | Slovenia | 24.9 |
| 2013 | Slovenia | 20.1 |
| 2013 | Spain | 20.2 |
| 2013 | Spain | 11.3 |
| 2013 | Sweden | 14.9 |
| 2013 | Sweden | 5.3 |
| 2013 | Switzerland | 18.9 |
| 2013 | United Kingdom | 17.9 |
| 2013 | United Kingdom | 12.7 |
| 2014 | Austria | 21.1 |
| 2014 | Austria | 15.2 |
| 2014 | Belgium | 22.3 |
| 2014 | Belgium | 14.4 |
| 2014 | Bulgaria | 41.2 |
| 2014 | Bulgaria | 26.1 |
| 2014 | Croatia | 29.7 |
| 2014 | Croatia | 19.4 |
| 2014 | Cyprus | 32.4 |
| 2014 | Cyprus | 17.2 |
| 2014 | Czechia | 27.7 |
| 2014 | Czechia | 19.0 |
| 2014 | Denmark | 18.7 |
| 2014 | Denmark | 12.4 |
| 2014 | Estonia | 15.3 |
| 2014 | Estonia | 8.6 |
| 2014 | European Union - 28 countries (2013-2020) | 22.5 |
| 2014 | European Union - 28 countries (2013-2020) | 15.1 |
| 2014 | Finland | 13.7 |
| 2014 | Finland | 8.4 |
| 2014 | France | 18.2 |
| 2014 | France | 12.6 |
| 2014 | Germany (until 1990 former territory of the FRG) | 20.1 |
| 2014 | Germany (until 1990 former territory of the FRG) | 14.9 |
| 2014 | Greece | 25.8 |
| 2014 | Hungary | 28.2 |
| 2014 | Hungary | 20.2 |
| 2014 | Ireland | 14.5 |
| 2014 | Ireland | 7.8 |
| 2014 | Italy | 26.8 |
| 2014 | Italy | 17.5 |
| 2014 | Latvia | 23.7 |
| 2014 | Latvia | 18.3 |
| 2014 | Lithuania | 23.4 |
| 2014 | Luxembourg | 20.7 |
| 2014 | Luxembourg | 11.4 |
| 2014 | Netherlands | 21.2 |
| 2014 | Netherlands | 13.9 |
| 2014 | Norway | 15.1 |
| 2014 | Norway | 8.5 |
| 2014 | Poland | 35.1 |
| 2014 | Poland | 26.0 |
| 2014 | Portugal | 16.5 |
| 2014 | Portugal | 9.9 |
| 2014 | Romania | 25.0 |
| 2014 | Romania | 15.1 |
| 2014 | Slovakia | 27.9 |
| 2014 | Slovakia | 19.7 |
| 2014 | Slovenia | 22.5 |
| 2014 | Slovenia | 17.5 |
| 2014 | Spain | 21.3 |
| 2014 | Spain | 11.5 |
| 2014 | Sweden | 14.3 |
| 2014 | Sweden | 7.2 |
| 2014 | United Kingdom | 17.7 |
| 2014 | United Kingdom | 12.6 |
| 2015 | Austria | 20.2 |
| 2015 | Austria | 14.4 |
| 2015 | Belgium | 21.0 |
| 2015 | Belgium | 13.5 |
| 2015 | Bulgaria | 36.2 |
| 2015 | Croatia | 32.5 |
| 2015 | Croatia | 18.3 |
| 2015 | Cyprus | 35.2 |
| 2015 | Cyprus | 17.3 |
| 2015 | Czechia | 24.3 |
| 2015 | Czechia | 17.4 |
| 2015 | Denmark | 18.3 |
| 2015 | Denmark | 11.0 |
| 2015 | Estonia | 13.0 |
| 2015 | Estonia | 6.7 |
| 2015 | European Union - 28 countries (2013-2020) | 22.8 |
| 2015 | European Union - 28 countries (2013-2020) | 14.5 |
| 2015 | Finland | 11.3 |
| 2015 | Finland | 6.0 |
| 2015 | France | 20.4 |
| 2015 | France | 13.5 |
| 2015 | Germany (until 1990 former territory of the FRG) | 18.8 |
| 2015 | Germany (until 1990 former territory of the FRG) | 13.3 |
| 2015 | Greece | 26.5 |
| 2015 | Greece | 16.4 |
| 2015 | Hungary | 26.9 |
| 2015 | Ireland | 13.1 |
| 2015 | Ireland | 7.9 |
| 2015 | Italy | 30.7 |
| 2015 | Italy | 21.7 |
| 2015 | Latvia | 19.9 |
| 2015 | Latvia | 15.9 |
| 2015 | Lithuania | 21.7 |
| 2015 | Luxembourg | 21.4 |
| 2015 | Luxembourg | 11.7 |
| 2015 | Netherlands | 19.7 |
| 2015 | Netherlands | 12.7 |
| 2015 | Norway | 13.9 |
| 2015 | Norway | 7.6 |
| 2015 | Poland | 33.1 |
| 2015 | Poland | 23.8 |
| 2015 | Portugal | 20.2 |
| 2015 | Portugal | 12.4 |
| 2015 | Romania | 27.7 |
| 2015 | Romania | 17.0 |
| 2015 | Slovakia | 23.9 |
| 2015 | Slovakia | 19.0 |
| 2015 | Slovenia | 27.4 |
| 2015 | Slovenia | 21.6 |
| 2015 | Spain | 23.6 |
| 2015 | Spain | 13.8 |
| 2015 | Sweden | 12.2 |
| 2015 | Sweden | 5.2 |
| 2015 | Switzerland | 17.4 |
| 2015 | Switzerland | 11.6 |
| 2015 | United Kingdom | 16.4 |
| 2015 | United Kingdom | 9.9 |
| 2016 | European Union - 28 countries (2013-2020) | 20.1 |
| 2016 | Norway | 15.2 |
| 2016 | Norway | 10.0 |
| 2016 | Portugal | 20.1 |