| 2001 | ||
| 0 | EU (15 countries) | 10.2 |
| 1 | Belgium | 10.4 |
| 2 | Denmark | 7.6 |
| 3 | Germany | 6.5 |
| 4 | Greece | 7.6 |
| 5 | Spain | 7.2 |
| 6 | France | 11.9 |
| 7 | Ireland | 11.4 |
| 8 | Italy | 8.0 |
| 9 | Luxembourg | 7.6 |
| 10 | Netherlands | 6.5 |
| 11 | Austria | 6.2 |
| 12 | Portugal | 11.9 |
| 13 | Finland | 11.3 |
| 14 | Sweden | 3.1 |
| 15 | United Kingdom | 4.4 |