| Country |
| Albania | 40 in 2016 | Eurostat |
| Austria | 6,210 in 2016 | Eurostat |
| Belgium | 1,325 in 2016 | Eurostat |
| Bosnia and Herzegovina | 637 in 2016 | Eurostat |
| Bulgaria | 720 in 2016 | Eurostat |
| Croatia | 1,004 in 2016 | Eurostat |
| Cyprus | 22 in 2016 | Eurostat |
| Czech Republic | 1,739 in 2016 | Eurostat |
| Denmark | 763 in 2016 | Eurostat |
| Estonia | 1,483 in 2016 | Eurostat |
| Finland | 4,676 in 2016 | Eurostat |
| France | 7,898 in 2016 | Eurostat |
| Georgia | 25 in 2016 | Eurostat |
| Germany | 16,693 in 2016 | Eurostat |
| Greece | 194 in 2016 | Eurostat |
| Hungary | 1,008 in 2016 | Eurostat |
| Iceland | 14 in 2016 | Eurostat |
| Ireland | 1,570 in 2016 | Eurostat |
| Italy | 10,674 in 2016 | Eurostat |
| Latvia | 2,657 in 2016 | Eurostat |
| Lithuania | 1,318 in 2016 | Eurostat |
| Luxembourg | 25 in 2016 | Eurostat |
| Malta | 7 in 2016 | Eurostat |
| Montenegro | 43 in 2016 | Eurostat |
| Netherlands | 727 in 2016 | Eurostat |
| North Macedonia | 14 in 2016 | Eurostat |
| Norway | 2,430 in 2016 | Eurostat |
| Poland | 8,716 in 2016 | Eurostat |
| Portugal | 2,466 in 2016 | Eurostat |
| Republic of Moldova | 144 in 2016 | Eurostat |
| Romania | 3,485 in 2016 | Eurostat |
| Serbia | 439 in 2016 | Eurostat |
| Slovakia | 554 in 2016 | Eurostat |
| Slovenia | 587 in 2016 | Eurostat |
| Spain | 4,439 in 2016 | Eurostat |
| Sweden | 6,736 in 2016 | Eurostat |
| Turkey | 10,710 in 2016 | Eurostat |
| Ukraine | 2,005 in 2016 | Eurostat |
| United Kingdom | 1,904 in 2016 | Eurostat |
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