| Year | Letter | Answer | % Correct |
|---|---|---|---|
| 1956 | B | Belgium | 96%
|
| 1956 | F | France | 96%
|
| 1956 | G | Germany | 96%
|
| 1956 | L | Luxembourg | 96%
|
| 1957 | D | Denmark | 92%
|
| 1961 | F | Finland | 92%
|
| 1956 | I | Italy | 92%
|
| 1956 | N | Netherlands | 92%
|
| 1956 | S | Switzerland | 92%
|
| 1957 | U | United Kingdom | 92%
|
| 1957 | A | Austria | 88%
|
| 1965 | I | Ireland | 88%
|
| 1958 | S | Sweden | 88%
|
| 1986 | I | Iceland | 83%
|
| 1973 | I | Israel | 83%
|
| 1959 | M | Monaco | 83%
|
| 1960 | N | Norway | 83%
|
| 2015 | A | Australia | 79%
|
| 1964 | P | Portugal | 79%
|
| 1994 | E | Estonia | 75%
|
| 1994 | H | Hungary | 75%
|
| 2000 | L | Latvia | 75%
|
| 1994 | L | Lithuania | 75%
|
| 1994 | P | Poland | 75%
|
| 1994 | R | Russia | 75%
|
| 1961 | S | Spain | 75%
|
| 2003 | U | Ukraine | 75%
|
| 2004 | B | Belarus | 71%
|
| 1974 | G | Greece | 71%
|
| 2007 | M | Montenegro | 71%
|
| 1994 | R | Romania | 71%
|
| 2004 | A | Albania | 67%
|
| 2005 | B | Bulgaria | 67%
|
| 1993 | C | Croatia | 67%
|
| 1993 | B | Bosnia and Herzegovina | 63%
|
| 1993 | S | Slovenia | 63%
|
| 1975 | T | Turkey | 63%
|
| 2006 | A | Armenia | 58%
|
| 2008 | A | Azerbaijan | 58%
|
| 2007 | G | Georgia | 58%
|
| 2005 | M | Moldova | 58%
|
| 2008 | S | San Marino | 58%
|
| 2007 | S | Serbia | 58%
|
| 1994 | S | Slovakia | 58%
|
| 2007 | C | Czech Republic | 54%
|
| 1980 | M | Morocco | 54%
|
| 2004 | A | Andorra | 46%
|
| 1981 | C | Cyprus | 46%
|
| 1971 | M | Malta | 46%
|
| 2004 | S | Serbia and Montenegro | 46%
|
| 1998 | F | FYR Macedonia | 42%
|
| 1961 | S | SFR Yugoslavia | 13%
|