| Year | Country | % Correct |
|---|---|---|
| 2025 | Austria | 100%
|
| 2013 | Denmark | 100%
|
| 2006 | Finland | 100%
|
| 2017 | Portugal | 100%
|
| 2024 | Switzerland | 100%
|
| 2011 | Azerbaijan | 97%
|
| 2010 | Germany | 97%
|
| 2018 | Israel | 97%
|
| 2002 | Latvia | 97%
|
| 2019 | Netherlands | 97%
|
| 2009 | Norway | 97%
|
| 2008 | Russia | 97%
|
| 2007 | Serbia | 97%
|
| 2022 | Ukraine | 97%
|
| 2001 | Estonia | 94%
|
| 2005 | Greece | 94%
|
| 2021 | Italy | 94%
|
| 2023 | Sweden | 94%
|
| 2003 | Türkiye | 94%
|
| 1997 | United Kingdom | 94%
|
| 1986 | Belgium | 91%
|
| 1996 | Ireland | 91%
|
| 1969 | Spain | 88%
|
| 1983 | Luxembourg | 85%
|
| 1989 | Yugoslavia | 85%
|
| 1977 | France | 82%
|
| 1971 | Monaco | 82%
|