| Country | Abbreviation |
| Austria | AT |
| Belgium | BE |
| Bulgaria | BG |
| Cyprus | CY |
| Denmark | DK |
| Finland | FI |
| France | FR |
| Germany | DE |
| Hungary | HU |
| Ireland | IE |
| Netherlands | NL |
| Norway | NO |
| Poland | PL |
| Portugal | PT |
| Russia | RU |
| Slovenia | SI |
| Spain | ES |
| Sweden | SE |
| Switzerland | CH |
| UK | GB |
| Ukraine | UA |
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