| 2005 | 2008 | 2009 | 2010 | 2011 | 2012 | |
|---|---|---|---|---|---|---|
| Belgium | 2 977 | 2 995 | 3 005 | * | * | * |
| Czech Republic | 2 997 | 3 078 | 3 153 | 3 210 | 3 208 | 3 217 |
| Denmark | * | 642 | * | * | * | * |
| Finland | 2 617 | 3 067 | 3 067 | 3 073 | 3 172 | 3 172 |
| France | 14 753 | 15 343 | 15 486 | 15 687 | * | * |
| Ireland | * | 108 | * | 108 | 108 | 145 |
| Italy | 11 364 | 11 727 | 11 887 | 11 906 | 11 925 | 11 931 |
| Luxembourg | * | * | * | * | * | * |
| Hungary | 2 790 | 2 738 | 2 792 | 2 929 | 2 982 | 3 014 |
| Germany | 19 857 | 37 798 | * | 20 497 | * | * |
| Netherlands | 1 954 | 2 155 | 2 155 | 2 266 | 2 266 | * |
| Poland | 11 884 | 11 924 | 11 956 | 11 916 | 11 880 | 11 920 |
| Portugal | * | 1 460 | 1 460 | 1 488 | 1 630 | 1 630 |
| Austria | * | * | * | 3 866 | 3 763 | 3 852 |
| Greece | 83 | 264 | * | * | * | * |
| Slovak Republic | 1 556 | 1 577 | 1 577 | 1 578 | 1 578 | 1 586 |
| United Kingdom | 5 250 | 5 250 | 5 250 | 5 371 | * | * |
| Spain | 7 523 | 8 091 | 8 089 | 8 582 | 8 738 | 8 786 |
| Sweden | 7 737 | 7 867 | 7 963 | 7 965 | * | * |
Source: Eurostat