| Answer | % Correct | |
|---|---|---|
| 1960– | Iran | 85%
|
| 1960– | Iraq | 85%
|
| 1960– | Kuwait | 85%
|
| 1960– | Saudi Arabia | 77%
|
| 1969- | Algeria | 69%
|
| 1960– | Venezuela | 69%
|
| 1962– | Libya | 62%
|
| 1971– | Nigeria | 62%
|
| 2017– | Equatorial Guinea | 38%
|
| 1975–1995, 2016– | Gabon | 38%
|
| 2018– | Rep. of the Congo | 31%
|