Europe
| Country | Institutions |
|---|---|
| Albania | 40 |
| Andorra | 8 |
| Austria | 79 |
| Belgium | 152 |
| Bosnia and Herzegovina | 45 |
| Bulgaria | 54 |
| Croatia | 46 |
| Cyprus | 46 |
| Czechia | 54 |
| Denmark | 42 |
| Estonia | 17 |
| Finland | 37 |
| France | 287 |
| Germany | 390 |
| Greece | 50 |
| Hungary | 61 |
| Iceland | 9 |
| Ireland | 24 |
| Italy | 101 |
| Kosovo | 33 |
| Latvia | 46 |
| Liechtenstein | 2 |
| Lithuania | 30 |
| Luxembourg | 20 |
| Malta | 16 |
| Moldova | 20 |
| Montenegro | 7 |
| Netherlands | 115 |
| North Macedonia | 17 |
| Norway | 44 |
| Poland | 359 |
| Portugal | 90 |
| Romania | 85 |
| Serbia | 43 |
| Slovakia | 33 |
| Slovenia | 94 |
| Spain | 123 |
| Sweden | 46 |
| Switzerland | 56 |
| Ukraine | 8 |
| United Kingdom | 270 |