| 2000 | ||
| 0 | EU (15 countries) | 17.5 |
| 1 | Belgium | 15.7 |
| 2 | Denmark | 13.8 |
| 3 | Germany | 6.0 |
| 4 | Greece | 6.3 |
| 5 | Spain | 3.5 |
| 6 | France | 14.4 |
| 7 | Ireland | 14.4 |
| 8 | Italy | 26.9 |
| 9 | Luxembourg | 23.4 |
| 10 | Netherlands | 28.0 |
| 11 | Austria | 18.5 |
| 12 | Portugal | 16.6 |
| 13 | Finland | 15.8 |
| 14 | Sweden | 25.3 |
| 15 | United Kingdom | 15.0 |