2004 | 2011 | 2013 | |
---|---|---|---|
Austria | 7.5% | 17.7% | 17.1% |
Belgium | 11.6% | 28.8% | 25.0% |
Denmark | 3.7% | 11.0% | 10.0% |
Germany | 6.8% | 16.8% | 16.8% |
France | 13.9% | 26.1% | 30.2% |
Italy | 15.4% | 31.4% | 33.4% |
The Netherlands | 6.5% | 16.0% | 22.0% |
Spain | 12.3% | 20.1% | 21.4% |
Sweden | 6.1% | 24.0% | 22.1% |
Switzerland | 4.2% | 12.7% | 14.1% |
Total | 9.0% | 21.3% | 21.7% |