| Year | Answer | % Correct |
|---|---|---|
| 2013 | United Kingdom | 96%
|
| 2005 | Spain | 90%
|
| 2002 | Sweden | 90%
|
| 2009 | Norway | 89%
|
| 1999 | Canada | 88%
|
| 2013 | France | 88%
|
| 2001 | Netherlands | 87%
|
| 2010 | Denmark | 86%
|
| 2006 | Belgium | 82%
|
| 2016 | Portugal | 82%
|
| 2006 | Iceland | 77%
|
| 2015 | Ireland | 76%
|
| 2016 | Austria | 75%
|
| 2013 | New Zealand | 72%
|
| 2010 | Brazil | 70%
|
| 2010 | Argentina | 67%
|
| 2015 | Luxembourg | 64%
|
| 2002 | South Africa | 57%
|
| 2009 | Uruguay | 53%
|
| 2014 | Malta | 40%
|
| 2014 | Andorra | 31%
|
| 2008 | Israel | 29%
|