| Year | Country | % Correct |
|---|---|---|
| 2010 | Niger | 72%
|
| 2019 | Sudan | 72%
|
| 2011 | Egypt | 71%
|
| 2013 | Egypt | 71%
|
| 2012 | Mali | 68%
|
| 2003 | Central African Republic | 51%
|
| 2006 | Thailand | 47%
|
| 2014 | Thailand | 47%
|
| 2014 | Yemen | 46%
|
| 2018 | Yemen | 46%
|
| 2004 | Haiti | 41%
|
| 2005 | Mauritania | 40%
|
| 2008 | Mauritania | 40%
|
| 2017 | Zimbabwe | 35%
|
| 2008 | Guinea | 34%
|
| 2003 | Guinea-Bissau | 26%
|
| 2012 | Guinea-Bissau | 26%
|
| 2009 | Honduras | 25%
|
| 2006 | Fiji | 24%
|
| 2000 | Ecuador | 19%
|
| 2005 | Ecuador | 19%
|
| 2000 | Solomon Islands | 12%
|