| 2000 | 2012 | |
|---|---|---|
| United States of America | 13.0 | 12.0 |
| Mongolia | 14.0 | 15.0 |
| Montenegro | 9.0 | 9.0 |
| Latvia | 19.0 | 9.0 |
| Austria | 11.0 | 9.0 |
| Serbia | 8.0 | 6.0 |
| Germany | 8.0 | 6.0 |
| Ukraine | 16.0 | 10.0 |
| Belgium | 12.0 | 10.0 |
| Spain | 10.0 | 6.0 |
| Kyrgyzstan | 13.0 | 14.0 |
| Russian Federation | 23.0 | 15.0 |
| Lithuania | 22.0 | 14.0 |
| Netherlands | 7.0 | 6.0 |
| Norway | 10.0 | 8.0 |
| Croatia | 10.0 | 8.0 |
| Turkmenistan | 13.0 | 15.0 |
| Sweden | 8.0 | 8.0 |
| Uzbekistan | 11.0 | 11.0 |
| Cyprus | 16.0 | 12.0 |
| United Kingdom of Great Britain and Northern Ireland | 6.0 | 6.0 |
| Luxembourg | 13.0 | 11.0 |
| Ireland | 11.0 | 13.0 |
| Switzerland | 11.0 | 9.0 |
| Czechia | 11.0 | 9.0 |
| Republic of North Macedonia | 8.0 | 5.0 |
| Georgia | 7.0 | 6.0 |
| Azerbaijan | 9.0 | 9.0 |
| Slovakia | 11.0 | 9.0 |
| Hungary | 10.0 | 8.0 |
| Turkey | 14.0 | 13.0 |
| Tajikistan | 10.0 | 11.0 |
| Albania | 16.0 | 11.0 |
| Iceland | 16.0 | 12.0 |
| Canada | 12.0 | 11.0 |
| Bosnia and Herzegovina | 11.0 | 10.0 |
| Republic of Moldova | 13.0 | 12.0 |
| Kazakhstan | 20.0 | 17.0 |
| Slovenia | 14.0 | 12.0 |
| Denmark | 9.0 | 6.0 |
| Poland | 13.0 | 11.0 |
| Finland | 14.0 | 11.0 |
| France | 13.0 | 10.0 |
| Belarus | 19.0 | 15.0 |
| Bulgaria | 8.0 | 6.0 |
| Italy | 8.0 | 6.0 |
| Malta | 7.0 | 6.0 |
| Armenia | 8.0 | 9.0 |
| Portugal | 12.0 | 7.0 |
| Greece | 10.0 | 7.0 |
| Estonia | 16.0 | 10.0 |
| Romania | 10.0 | 8.0 |