| 2000 | 2012 | |
|---|---|---|
| Albania | 16.0 | 11.0 |
| Poland | 13.0 | 11.0 |
| Bosnia and Herzegovina | 11.0 | 10.0 |
| Republic of Moldova | 13.0 | 12.0 |
| Czechia | 11.0 | 9.0 |
| Montenegro | 9.0 | 9.0 |
| Bulgaria | 8.0 | 6.0 |
| Romania | 10.0 | 8.0 |
| Croatia | 10.0 | 8.0 |
| Serbia | 8.0 | 6.0 |
| Slovakia | 11.0 | 9.0 |
| Slovenia | 14.0 | 12.0 |
| Republic of North Macedonia | 8.0 | 5.0 |
| Hungary | 10.0 | 8.0 |