Members
as of 24 April 2024
| Germany | 881 |
| Italy | 435 |
| United Kingdom | 376 |
| France | 312 |
| Spain | 294 |
| Poland | 272 |
| Switzerland | 252 |
| The Netherlands | 195 |
| Denmark | 188 |
| Sweden | 180 |
| Austria | 138 |
| Greece | 122 |
| Ukraine | 110 |
| Belgium | 107 |
| Finland | 97 |
| Norway | 95 |
| Czech Republic | 92 |
| Romania | 89 |
| Israel | 80 |
| Ireland | 78 |
| Russian Federation | 76 |
| Iceland | 76 |
| Hungary | 75 |
| Turkey | 72 |
| Serbia | 67 |
| Bulgaria | 55 |
| Slovenia | 54 |
| Croatia | 54 |
| Portugal | 39 |
| Slovakia | 36 |
| Luxembourg | 32 |
| Lithuania | 30 |
| Estonia | 29 |
| Kosovo | 28 |
| Bosnia and Herzegovina | 26 |
| Latvia | 25 |
| Cyprus | 23 |
| Georgia | 23 |
| North Macedonia | 22 |
| Azerbaijan | 17 |
| United States | 15 |
| Montenegro | 12 |
| Albania | 11 |
| Greenland | 8 |
| Malta | 6 |
| Armenia | 6 |
| Belarus | 4 |
| Palestinian Territories | 4 |
| Moldova | 4 |
| Kazakhstan | 3 |
| Kyrgyzstan | 1 |
| Hong Kong | 1 |
| Colombia | 1 |
| Canada | 1 |
| Australia | 1 |