| Northern Europe | Southern Europe | Western Europe | Eastern Europe |
|---|---|---|---|
| Denmark | Croatia | Austria | Bulgaria |
| Estonia | Cyprus* | Belgium | Czech Republic |
| Finland | Greece | France | Hungary |
| Iceland | Italy | Germany | Poland |
| Latvia | Malta | Liechtenstein | Romania |
| Lithuania | Portugal | Luxembourg | Slovakia |
| Norway | Slovenia | Netherlands | |
| Sweden | Spain | Switzerland |