| Country | 2010 | 2012 | 2014 |
|---|---|---|---|
| Albania | 424 | ||
| Croatia | 673 | 619 | 721 |
| Cyprus | 966 | 787 | |
| Malta | 815 | 946 | 966 |
| Latvia | 621 | 890 | 997 |
| Former Yugoslav Republic of Macedonia | 714 | 3716 | 1001 |
| Serbia | 961 | 929 | 1031 |
| Romania | 1165 | 1160 | 1035 |
| Lithuania | 969 | 988 | 1114 |
| Czech Republic | 1183 | 1197 | 1120 |
| Liechtenstein | 1842 | 2000 | 1130 |
| Slovakia | 1230 | 1251 | 1166 |
| Portugal | 1371 | 1177 | 1181 |
| Hungary | 1154 | 1135 | 1212 |
| Montenegro | 616 | 1245 | |
| Spain | 1335 | 1377 | 1427 |
| France | 1508 | 1516 | 1447 |
| United Kingdom | 1683 | 1552 | 1551 |
| Slovenia | 1867 | 1702 | 1605 |
| Luxembourg | 3038 | 2451 | 1636 |
| Ireland | 2710 | 1768 | 1685 |
| EU-28 | 1739 | 1754 | 1759 |
| Italy | 1677 | 1713 | 1772 |
| Denmark | 1920 | 1750 | 1783 |
| Austria | 1905 | 1739 | 1847 |
| Norway | 1699 | 1960 | 1890 |
| Sweden | 1977 | 1928 | 1911 |
| Germany | 1713 | 1813 | 1913 |
| Greece | 2017 | 2043 | 1922 |
| Poland | 1776 | 1883 | 1974 |
| Bulgaria | 1995 | 2449 | 2467 |
| Finland | 4527 | 3921 | 2513 |
| Netherlands | 2631 | 2559 | 2586 |
| Belgium | 4431 | 5114 | 4968 |
| Estonia | 8600 | 8573 | 9505 |