| Joined | Left | Country | % Correct |
|---|---|---|---|
| 2003 | 2013 | Croatia | 98%
|
| 1992/3 | 2004 | Czech Republic | 98%
|
| 1992 | 2004 | Poland | 98%
|
| 1997 | 2007 | Romania | 98%
|
| 2007 | - | Serbia | 98%
|
| 2007 | - | Bosnia and Herzegovina | 96%
|
| 1992/3 | 2004 | Slovakia | 96%
|
| 1996 | 2004 | Slovenia | 96%
|
| 2007 | - | Albania | 94%
|
| 1999 | 2007 | Bulgaria | 94%
|
| 1992 | 2004 | Hungary | 92%
|
| 2007 | - | Montenegro | 92%
|
| 2007 | - | Kosovo | 90%
|
| 2007 | - | Moldova | 90%
|
| 2006 | - | Macedonia | 84%
|