| 1990 | 2000 | 2005 | |
|---|---|---|---|
| Poland | 21.6 | 31.2 | 34.6 |
| Netherlands | 25.9 | 32.2 | 34.4 |
| Greece | 12.0 | 16.5 | 18.7 |
| Belgium | 19.6 | 23.8 | 25.4 |
| Latvia | 2.4 | 1.9 | 2.8 |
| Switzerland | 14.2 | 15.6 | 15.5 |
| Austria | 13.5 | 18.3 | 24.4 |
| Estonia | 2.3 | 1.5 | 2.0 |
| Slovenia | 2.7 | 3.7 | 4.4 |
| Sweden | 17.5 | 18.2 | 19.9 |
| Croatia | 3.7 | 4.3 | 5.4 |
| Ireland | 4.8 | 10.3 | 12.6 |
| Portugal | 9.4 | 18.5 | 19.0 |
| Iceland | 0.5 | 0.6 | 0.8 |
| Lithuania | 5.4 | 2.9 | 3.9 |
| United Kingdom | 111.6 | 118.2 | 121.8 |
| Ukraine | 46.7 | 16.4 | 26.3 |
| Australia | 54.3 | 65.9 | 69.6 |
| Luxembourg | 2.7 | 4.7 | 7.0 |
| United States of America | 1,228.5 | 1,519.4 | 1,610.8 |
| Hungary | 7.6 | 8.5 | 12.0 |
| France | 112.2 | 128.8 | 131.4 |
| Bulgaria | 7.7 | 5.0 | 7.1 |
| Japan | 193.4 | 237.4 | 225.9 |
| Turkey | 24.4 | 31.3 | 35.3 |
| Germany | 152.2 | 173.1 | 153.0 |
| Russian Federation | 177.5 | 71.8 | 93.4 |
| Italy | 94.9 | 112.5 | 118.4 |
| Belarus | 13.0 | 2.1 | 3.2 |
| Czech Republic | 6.1 | 11.9 | 17.6 |
| Slovakia | 4.6 | 4.1 | 6.2 |
| Spain | 51.2 | 78.6 | 93.0 |
| Denmark | 9.5 | 11.5 | 12.5 |
| Finland | 11.1 | 11.0 | 12.0 |
| Norway | 7.7 | 8.5 | 9.8 |
| Canada | 98.4 | 118.8 | 131.0 |
| Romania | 6.5 | 8.3 | 11.6 |