| Year(s) | Answer | % Correct |
|---|---|---|
| 2001,2002,2004,2007 | Canada | 97%
|
| 2003,2008(2) | Egypt | 97%
|
| 2002,2003,2004,2008 | France | 97%
|
| 2002,2005,2006,2007,2008 | Germany | 97%
|
| 2003,2006,2007,2008 | Iraq | 97%
|
| 2004,2006 | Ireland | 97%
|
| 2001,2002(2),2004,2006,2007 | Mexico | 97%
|
| 2001,2003,2007 | Poland | 97%
|
| 2003 | Portugal | 97%
|
| 2002(2),2003,2005,2006(2),2008 | Russia | 97%
|
| 2001 | Spain | 97%
|
| 2001 | Sweden | 97%
|
| 2004 | Turkey | 97%
|
| 2008 | Ukraine | 97%
|
| 2001,2003(2),2005,2008(2) | United Kingdom | 97%
|
| 2005 | Argentina | 95%
|
| 2003,2007 | Australia | 95%
|
| 2005,2007 | Brazil | 95%
|
| 2004 | Chile | 95%
|
| 2001,2002,2005,2008 | China | 95%
|
| 2005 | Denmark | 95%
|
| 2006 | India | 95%
|
| 2008(2) | Israel | 95%
|
| 2001,2002,2004,2005,2007,2008 | Italy | 95%
|
| 2005 | Netherlands | 95%
|
| 2008(2) | Saudi Arabia | 95%
|
| 2003 | South Africa | 95%
|
| 2001,2005 | Belgium | 92%
|
| 2003,2006 | Indonesia | 92%
|
| 2002,2003,2005,2008 | Japan | 92%
|
| 2002,2005,2008 | South Korea | 92%
|
| 2004,2007 | Colombia | 89%
|
| 2006 | Pakistan | 89%
|
| 2002,2008 | Peru | 89%
|
| 2008 | United Arab Emirates | 89%
|
| 2006 | Vietnam | 89%
|
| 2006,2008 | Afghanistan | 87%
|
| 2006 | Austria | 87%
|
| 2008 | Croatia | 87%
|
| 2002,2007 | Czech Republic | 87%
|
| 2006 | Hungary | 87%
|
| 2003,2006 | Jordan | 87%
|
| 2005 | Panama | 87%
|
| 2003 | Philippines | 87%
|
| 2003 | Qatar | 87%
|
| 2002,2008 | Romania | 87%
|
| 2005 | Slovakia | 87%
|
| 2007 | Bulgaria | 84%
|
| 2008 | Kuwait | 84%
|
| 2001,2008 | Slovenia | 84%
|
| 2002 | Lithuania | 82%
|
| 2003 | Nigeria | 82%
|
| 2003,2008 | Thailand | 82%
|
| 2002,2004,2005,2007,2008 | Vatican City | 82%
|
| 2006 | Estonia | 79%
|
| 2005,2006 | Latvia | 79%
|
| 2007 | Uruguay | 79%
|
| 2007 | Albania | 76%
|
| 2005 | Georgia | 76%
|
| 2008 | Tanzania | 76%
|
| 2008 | Ghana | 71%
|
| 2007 | Guatemala | 71%
|
| 2001 | Kosovo | 71%
|
| 2003,2006 | Singapore | 71%
|
| 2008 | Bahrain | 68%
|
| 2002 | El Salvador | 66%
|
| 2005 | Mongolia | 66%
|
| 2003 | Senegal | 66%
|
| 2003 | Uganda | 61%
|
| 2008 | Liberia | 58%
|
| 2008 | Rwanda | 53%
|
| 2003 | Botswana | 50%
|
| 2008 | Benin | 42%
|
| 2008 | Palestine | 16%
|