| 2001 | ||
| 0 | EU (15 countries) | 17.4 |
| 1 | Belgium | 44.2 |
| 2 | Denmark | 29.5 |
| 3 | Germany | 8.8 |
| 4 | Greece | 2.6 |
| 5 | Spain | 24.3 |
| 6 | France | 51.4 |
| 7 | Ireland | 21.6 |
| 8 | Italy | 3.8 |
| 9 | Luxembourg | 0.7 |
| 10 | Netherlands | 45.5 |
| 11 | Austria | 32.9 |
| 12 | Portugal | 16.6 |
| 13 | Finland | 4.0 |
| 14 | Sweden | 1.4 |
| 15 | United Kingdom | 8.2 |