| Time | 2000 | 2005 | 2007 | 2009 | 2010 | 2011 | 2012 | 2014 | 2015 | 2016 | % var. 2000-2016 |
| Country | |||||||||||
| Latvia | 14.0 | 20.5 | 23.3 | 21.8 | 22.6 | 23.5 | 24.3 | 25.1 | 25.9 | 26.5 | 90.1 |
| Lithuania | 15.8 | 22.0 | 25.5 | 25.0 | 26.5 | 28.4 | 29.0 | 30.4 | 30.2 | 29.9 | 89.8 |
| Ireland | 44.4 | 51.6 | 53.0 | 54.6 | 62.2 | 64.9 | 65.0 | 67.1 | 81.0 | 82.2 | 85.2 |
| Korea | 18.4 | 22.9 | 25.3 | 27.7 | 29.3 | 30.1 | 30.5 | 31.8 | 32.1 | 32.9 | 78.9 |
| Slovak Republic | 22.7 | 28.9 | 32.9 | 32.7 | 34.4 | 35.0 | 35.6 | 37.5 | 38.5 | 39.1 | 71.9 |
| Estonia | 18.0 | 23.9 | 27.1 | 26.6 | 28.0 | 27.6 | 28.8 | 30.1 | 29.9 | 30.8 | 71.1 |
| Slovenia | 28.0 | 33.1 | 36.5 | 34.1 | 35.2 | 36.4 | 36.2 | 36.3 | 36.5 | 37.4 | 33.7 |
| United States | 50.0 | 56.8 | 58.0 | 60.3 | 62.0 | 62.1 | 62.3 | 62.8 | 63.3 | 63.5 | 26.9 |
| OECD―Total | 38.8 | 42.6 | 43.9 | 44.1 | 44.9 | 45.3 | 45.6 | 46.4 | 46.9 | 47.1 | 21.3 |
| Austria | 44.7 | 48.6 | 51.1 | 50.7 | 51.5 | 52.0 | 52.6 | 53.1 | 53.9 | 53.9 | 20.6 |
| Germany | 50.6 | 54.4 | 56.2 | 54.9 | 56.3 | 57.4 | 57.8 | 58.8 | 59.2 | 60.0 | 18.6 |
| Japan | 35.2 | 38.3 | 38.7 | 38.2 | 39.5 | 39.6 | 40.0 | 40.8 | 41.4 | 41.5 | 18.0 |
| Finland | 43.9 | 48.8 | 51.5 | 48.6 | 50.2 | 51.0 | 50.2 | 50.5 | 50.6 | 51.8 | 17.9 |
| United Kingdom | 41.3 | 45.9 | 47.6 | 46.5 | 47.5 | 47.6 | 47.4 | 47.6 | 48.4 | 48.1 | 16.6 |
| Portugal | 27.8 | 29.3 | 30.3 | 30.4 | 31.4 | 31.8 | 32.1 | 32.2 | 32.2 | 32.3 | 16.2 |
| Euro area (19 countries) | 45.9 | 48.3 | 49.5 | 48.9 | 50.2 | 50.9 | 51.3 | 52.3 | 52.8 | 53.0 | 15.4 |
| Spain | 40.8 | 41.4 | 42.1 | 43.3 | 44.3 | 44.9 | 45.8 | 46.6 | 46.9 | 47.1 | 15.3 |
| Belgium | 56.8 | 61.1 | 62.6 | 61.8 | 63.2 | 62.9 | 62.7 | 63.8 | 64.5 | 64.6 | 13.7 |
| Netherlands | 54.8 | 58.8 | 60.2 | 58.9 | 60.1 | 60.6 | 60.5 | 61.3 | 62.1 | 62.3 | 13.6 |
| France | 51.9 | 55.8 | 56.8 | 55.8 | 56.5 | 57.0 | 57.1 | 58.5 | 58.9 | 58.9 | 13.5 |
| Greece | 29.0 | 32.1 | 34.3 | 33.0 | 33.0 | 31.9 | 31.3 | 31.6 | 31.0 | 30.8 | 6.5 |
| Luxembourg | 78.7 | 80.7 | 84.0 | 77.4 | 79.7 | 79.4 | 77.6 | 80.5 | 81.1 | 80.7 | 2.5 |
| Italy | 47.3 | 47.5 | 47.5 | 46.2 | 47.2 | 47.4 | 47.3 | 47.8 | 47.9 | 47.7 | 0.9 |