| Beitrittsjahr | Antwort | % Korrekt |
|---|---|---|
| 2002 | Österreich | 100%
|
| 2002 | Deutschland | 98%
|
| 2002 | Frankreich | 98%
|
| 2002 | Italien | 98%
|
| 2002 | Spanien | 98%
|
| 2002 | Belgien | 96%
|
| 2002 | Portugal | 96%
|
| 2002 | Griechenland | 95%
|
| 2023 | Kroatien | 95%
|
| 2002 | Niederlande | 95%
|
| / | Vatikanstadt | 95%
|
| / | Andorra | 93%
|
| / | San Marino | 93%
|
| 2011 | Estland | 91%
|
| 2002 | Luxemburg | 91%
|
| 2014 | Lettland | 89%
|
| / | Monaco | 89%
|
| 2007 | Slowenien | 89%
|
| 2002 | Irland | 88%
|
| 2009 | Slowakei | 88%
|
| 2026 | Bulgarien | 86%
|
| 2002 | Finnland | 86%
|
| 2015 | Litauen | 86%
|
| 2008 | Malta | 79%
|
| / | Kosovo | 70%
|
| / | Montenegro | 65%
|
| 2008 | Zypern | 58%
|