| Country Independent | Since | % Correct |
|---|---|---|
| Belarus | 1991 | 100%
|
| Bosnia and Herzegovina | 1992 | 100%
|
| Kosovo | 2008 | 100%
|
| Montenegro | 2006 | 97%
|
| Serbia | 2006 | 97%
|
| Slovakia | 1993 | 97%
|
| Ukraine | 1991 | 97%
|
| Croatia | 1991 | 94%
|
| Estonia | 1991 | 94%
|
| Latvia | 1991 | 94%
|
| Lithuania | 1990 | 94%
|
| Moldova | 1991 | 94%
|
| North Macedonia | 1991 | 94%
|
| Slovenia | 1991 | 94%
|
| Czech Republic | 1993 | 91%
|
| Russia | 1991 | 82%
|