| 2004 | ||
| 0 | EU 27 | .. |
| 1 | EU 15 | .. |
| 2 | Euro area 16 | 37 |
| 3 | Belgium | 39 |
| 4 | Bulgaria | 28 |
| 5 | Czech Republic | 31 |
| 6 | Denmark | 37 |
| 7 | Germany | 38 |
| 8 | Estonia | .. |
| 9 | Ireland | .. |
| 10 | Greece | 33 |
| 11 | Spain | 36 |
| 12 | France | .. |
| 13 | Italy | .. |
| 14 | Cyprus | 35 |
| 15 | Latvia | 38 |
| 16 | Lithuania | 37 |
| 17 | Luxembourg | 32 |
| 18 | Hungary | 38 |
| 19 | Malta | 41 |
| 20 | Netherlands | .. |
| 21 | Austria | 31 |
| 22 | Poland | 33 |
| 23 | Portugal | 35 |
| 24 | Romania | .. |
| 25 | Slovenia | 27 |
| 26 | Slovakia | 31 |
| 27 | Finland | 37 |
| 28 | Sweden | .. |
| 29 | United Kingdom | .. |
| 30 | Croatia | 26 |
| 31 | Turkey | 33 |
| 32 | Iceland | 39 |
| 33 | Norway | 41 |
| 34 | Switzerland | 45 |