| Year | Member | % Correct |
|---|---|---|
| 2013 | Croatia | 78%
|
| 2020 | United Kingdom | 78%
|
| 1995 | AustriaFinland Sweden | 56%
|
| 1973 | DenmarkIreland United Kingdom | 56%
|
| 2007 | BulgariaRomania | 44%
|
| 1981 | Greece | 44%
|
| 1986 | PortugalSpain | 44%
|
| 1957 | BelgiumFrance Germany Italy Luxembourg Netherlands | 33%
|
| 2004 | CyprusCzechia Estonia Hungary Latvia Lithuania Malta Poland Slovakia Slovenia | 22%
|