| Year | Country | % Correct |
|---|---|---|
| 1997 | Denmark | 100%
|
| 1983 | Finland | 100%
|
| 2019 | France | 100%
|
| 2006 | Greece | 100%
|
| 1987 | Norway | 100%
|
| 1997 | Poland | 100%
|
| 2007 | Portugal | 100%
|
| 2007 | Spain | 100%
|
| 1979 | Sweden | 100%
|
| 1989 | Austria | 93%
|
| 1999 | Croatia | 93%
|
| 2014 | Estonia | 93%
|
| 2000 | Germany | 93%
|
| 2003 | Iceland | 93%
|
| 2015 | Ireland | 93%
|
| 2020 | Japan | 93%
|
| 1998 | Latvia | 93%
|
| 2017 | Lithuania | 93%
|
| 2008 | Moldova | 93%
|
| 2007 | New Zealand | 93%
|
| 2004 | Romania | 93%
|
| 2021 | South Korea | 93%
|
| 2004 | Ukraine | 93%
|
| 2010 | Albania | 86%
|
| 2014 | Argentina | 86%
|
| 2014 | Brazil | 86%
|
| 2000 | Bulgaria | 86%
|
| 2021 | Colombia | 86%
|
| 2020 | Georgia | 86%
|
| 2005 | Hungary | 86%
|
| 2019 | Kosovo | 86%
|
| 2008 | Luxembourg | 86%
|
| 2016 | Montenegro | 86%
|
| 2007 | Netherlands | 86%
|
| 2016 | Slovenia | 86%
|
| 2007 | Uruguay | 86%
|
| 2014 | Bolivia | 79%
|
| 2008 | Costa Rica | 79%
|
| 2022 | Cuba | 79%
|
| 2000 | Israel | 79%
|
| 2014 | Malta | 79%
|
| 2016 | Paraguay | 79%
|
| 2015 | Peru | 79%
|
| 2019 | South Africa | 79%
|
| 2007 | Venezuela | 79%
|
| 2014 | Andorra | 71%
|
| 1994 | Cyprus | 71%
|
| 2008 | Liechtenstein | 71%
|
| 2013 | North Macedonia | 71%
|
| 2025 | Thailand | 71%
|
| 2013 | Honduras | 64%
|
| 2014 | Nicaragua | 57%
|
| 2014 | San Marino | 57%
|
| 2024 | Laos | 43%
|
| 2018 | Nepal | 43%
|
| 2022 | Mauritius | 36%
|
| 2016 | Mongolia | 36%
|
| 2020 | Seychelles | 29%
|
| 2024 | Tajikistan | 29%
|
| 2010 | Tunisia | 29%
|
| 2002 | Turkmenistan | 29%
|
| 2013 | Cape Verde | 21%
|
| 2010 | Kenya | 21%
|
| 2021 | Guinea | 14%
|
| 2010 | Republic of the Congo | 14%
|
| 2011 | South Sudan | 14%
|
| 2015 | Benin | 7%
|
| 2007 | Togo | 7%
|
| 2022 | Zambia | 7%
|