| Albania | Greece | Republic of Moldova |
| Andorra | Hungary | Romania |
| Armenia | Iceland | Russian Federation |
| Austria | Ireland | San Marino |
| Azerbaijan | Israel | Serbia |
| Belarus | Italy | Slovakia |
| Belgium | Kazakhstan | Slovenia |
| Bosnia and Herzegovina | Kyrgyzstan | Spain |
| Bulgaria | Latvia | Sweden |
| Canada | Liechtenstein | Switzerland |
| Croatia | Lithuania | Tajikistan |
| Cyprus | Luxembourg | The former Yugoslav Republic of Macedonia |
| Czech Republic | Malta | Turkey |
| Denmark | Monaco | Turkmenistan |
| Estonia | Netherlands | Ukraine |
| Finland | Norway | United Kingdom |
| France | Poland | United States |
| Georgia | Portugal | Uzbekistan |
| Germany |
Indicators
By Country
