| Year | Country | % Correct |
|---|---|---|
| 2017 | Chad | 83%
|
| 2007 | Mauritania | 76%
|
| 2003 | Niger | 75%
|
| 1962 | Saudi Arabia | 69%
|
| 1924 | Sudan | 68%
|
| 1970 | Oman | 67%
|
| 1929 | Persia | 67%
|
| 1924 | Iraq | 66%
|
| 1939 | Northern Nigeria | 66%
|
| 1964 | United Arab Emirates | 64%
|
| 1952 | Qatar | 62%
|
| 1937 | Bahrain | 54%
|
| 1949 | Kuwait | 52%
|
| 1924 | Turkey | 47%
|
| 1958 | Bhutan | 27%
|
| 1926 | Burma | 27%
|
| 1926 | Nepal | 27%
|
| 1936 | Bechuanaland | 18%
|
| 1967 | South Yemen | 6%
|
| 1962 | North Yemen | 5%
|