| Year | Answer | % Correct |
|---|---|---|
| 2010 | Germany | 100%
|
| 2006 | Finland | 93%
|
| 1958 | France | 93%
|
| 1998 | Israel | 93%
|
| 2018 | Israel | 93%
|
| 2002 | Latvia | 93%
|
| 2009 | Norway | 93%
|
| 2012 | Sweden | 93%
|
| 2015 | Sweden | 93%
|
| 1957 | The Netherlands | 93%
|
| 2014 | Austria | 87%
|
| 2000 | Denmark | 87%
|
| 2013 | Denmark | 87%
|
| 1960 | France | 87%
|
| 1962 | France | 87%
|
| 1977 | France | 87%
|
| 1982 | Germany | 87%
|
| 2005 | Greece | 87%
|
| 1978 | Israel | 87%
|
| 2007 | Serbia | 87%
|
| 1968 | Spain | 87%
|
| 1969 | Spain, United Kingdom, France, The Netherlands | 87%
|
| 1959 | The Netherlands | 87%
|
| 1975 | The Netherlands | 87%
|
| 2003 | Turkey | 87%
|
| 2004 | Ukraine | 87%
|
| 2016 | Ukraine | 87%
|
| 1967 | United Kingdom | 87%
|
| 1976 | United Kingdom | 87%
|
| 1981 | United Kingdom | 87%
|
| 2011 | Azerbaijan | 80%
|
| 2001 | Estonia | 80%
|
| 1970 | Ireland | 80%
|
| 1980 | Ireland | 80%
|
| 1987 | Ireland | 80%
|
| 1992 | Ireland | 80%
|
| 1994 | Ireland | 80%
|
| 1996 | Ireland | 80%
|
| 1979 | Israel | 80%
|
| 1964 | Italy | 80%
|
| 1990 | Italy | 80%
|
| 1961 | Luxembourg | 80%
|
| 1965 | Luxembourg | 80%
|
| 1972 | Luxembourg | 80%
|
| 1973 | Luxembourg | 80%
|
| 1983 | Luxembourg | 80%
|
| 1985 | Norway | 80%
|
| 1995 | Norway | 80%
|
| 2017 | Portugal | 80%
|
| 2008 | Russia | 80%
|
| 1974 | Sweden | 80%
|
| 1984 | Sweden | 80%
|
| 1991 | Sweden | 80%
|
| 1999 | Sweden | 80%
|
| 1956 | Switzerland | 80%
|
| 1997 | United Kingdom | 80%
|
| 1966 | Austria | 73%
|
| 1986 | Belgium | 73%
|
| 1963 | Denmark | 73%
|
| 1993 | Ireland | 73%
|
| 1971 | Monaco | 73%
|
| 1988 | Switzerland | 73%
|
| 1989 | Yugoslavia | 60%
|