| 2000 | 2012 | |
|---|---|---|
| Republic of Moldova | 11.0 | 8.0 |
| Czechia | 4.0 | 5.0 |
| Serbia | 5.0 | 3.0 |
| Poland | 5.0 | 4.0 |
| Croatia | 5.0 | 2.0 |
| Slovakia | 6.0 | 6.0 |
| Bosnia and Herzegovina | 6.0 | 4.0 |
| Romania | 12.0 | 7.0 |
| Montenegro | 7.0 | 4.0 |
| Hungary | 3.0 | 3.0 |
| Slovenia | 5.0 | 3.0 |
| Bulgaria | 6.0 | 5.0 |
| Albania | 17.0 | 9.0 |
| Republic of North Macedonia | 7.0 | 4.0 |