Registered Countries are a coloured link
| Albania | Cyprus | Iceland | Moldova | San Marino |
| Andorra | Czechia | Ireland | Monaco | Serbia |
| Armenia | Denmark | Italy | Montenegro | Slovakia |
| Austria | Estonia | Kazakhstan | Netherland | Slovenia |
| Azerbaijan | Finland | Kosovo | North Macedonia | Spain |
| Belarus | France | Latvia | Norway | Sweden |
| Belgium | Georgia | Lichtenstein | Poland | Switzerland |
| Bosnia and Herzegovina | Germany | Lithuania | Portugal | Turkey |
| Bulgaria | Greece | Luxemborg | Romania | Ukraine |
| Croatia | Hungary | Malta | Russia | United Kingdom |
| Vatican City |