| 2004 | ||
| 0 | EU 27 | .. |
| 1 | EU 25 | .. |
| 2 | Belgium | 43 |
| 3 | Bulgaria | 31 |
| 4 | Czech Republic | 27 |
| 5 | Denmark | 35 |
| 6 | Germany | 29 |
| 7 | Estonia | 46 |
| 8 | Ireland | 31 |
| 9 | Greece | 26 |
| 10 | Spain | .. |
| 11 | France | .. |
| 12 | Italy | 43 |
| 13 | Cyprus | 31 |
| 14 | Latvia | 27 |
| 15 | Lithuania | 34 |
| 16 | Luxembourg | 28 |
| 17 | Hungary | 45 |
| 18 | Malta | 31 |
| 19 | Netherlands | 26 |
| 20 | Austria | 28 |
| 21 | Poland | 21 |
| 22 | Portugal | 33 |
| 23 | Romania | 20 |
| 24 | Slovenia | 13 |
| 25 | Slovakia | 21 |
| 26 | Finland | 14 |
| 27 | Sweden | 34 |
| 28 | United Kingdom | 20 |
| 29 | Iceland | 14 |
| 30 | Norway | .. |
| 31 | Switzerland | .. |