| 2010 | 2014 | 2015 | 2016 | 2017 | 2018 | |
|---|---|---|---|---|---|---|
| Belgium | * | * | * | * | * | * |
| Czech Republic | 9 568 | 9 559 | 9 566 | 9 564 | 9 567 | 9 572 |
| Denmark | * | 1 926 | 1 862 | 1 876 | 1 815 | 1 815 |
| Finland | 4 044 | 4 042 | 4 021 | 4 021 | 4 021 | 4 021 |
| France | * | * | * | 15 898 | 15 895 | 16 743 |
| Ireland | 1 679 | 169 | 169 | 169 | 169 | 319 |
| Italy | 16 704 | * | * | * | * | * |
| Luxembourg | 237 | 237 | 237 | 237 | 237 | 237 |
| Hungary | 6 491 | 6 688 | 6 310 | 7 507 | 7 736 | 7 532 |
| Germany | 41 876 | * | * | * | * | * |
| Netherlands | 3 013 | 3 032 | * | * | * | * |
| Poland | 16 177 | 15 354 | 16 069 | 15 644 | 15 854 | 15 868 |
| Portugal | 2 794 | * | * | * | * | * |
| Austria | 5 828 | 5 531 | 5 522 | 5 491 | 5 527 | 5 526 |
| Greece | 2 509 | 2 183 | 2 183 | 2 183 | 2 183 | * |
| Slovak Republic | 3 078 | 3 392 | 3 231 | 3 247 | 3 247 | 3 248 |
| United Kingdom | 14 613 | 14 615 | 14 661 | 14 600 | 14 657 | 14 743 |
| Spain | 11 759 | 11 354 | 11 367 | 11 983 | 12 030 | 12 291 |
| Sweden | * | * | * | * | * | * |
Source: Eurostat