| 2005 | 2007 | 2008 | 2009 | 2010 | 2011 | |
|---|---|---|---|---|---|---|
| Belgium | 3 711 | 3 931 | 3 857 | 3 789 | 3 684 | 3 440 | 
| Czech Republic | 450 | 481 | 447 | 412 | 432 | 405 | 
| Denmark | 244 | 252 | 212 | * | * | * | 
| Finland | 125 | 216 | 169 | 187 | 165 | 168 | 
| France | 5 160 | 5 327 | 4 703 | 4 368 | 4 756 | 4 139 | 
| Ireland | * | 69 | 93 | * | * | * | 
| Italy | 14 010 | 13 635 | 12 372 | 12 200 | 12 079 | 11 007 | 
| Luxembourg | 85 | * | 122 | * | * | * | 
| Hungary | 405 | 516 | 438 | 429 | 456 | * | 
| Germany | 20 943 | 20 466 | 18 269 | 18 394 | 18 829 | 18 290 | 
| Netherlands | * | * | * | * | * | * | 
| Poland | 228 | 551 | 283 | 237 | 274 | 232 | 
| Portugal | 2 035 | 2 282 | 2 501 | * | * | * | 
| Austria | 2 204 | 1 983 | 1 854 | 1 790 | 1 835 | 1 609 | 
| Greece | 614 | 611 | 630 | 630 | 548 | * | 
| Slovak Republic | * | * | 121 | * | * | * | 
| United Kingdom | 8 718 | 8 116 | 7 249 | * | 6 500 | * | 
| Spain | 3 311 | 3 126 | 2 236 | 1 917 | 1 899 | 2 550 | 
| Sweden | 1 440 | 1 495 | 2 154 | 2 091 | 2 390 | 2 227 | 
Source: EHK/OSN