| Year | Answer | % Correct |
|---|---|---|
| 1975 | Comoros | 94%
|
| 1993 | Eritrea | 89%
|
| 1976 | Seychelles | 89%
|
| 2011 | South Sudan | 89%
|
| 1980 | Zimbabwe | 89%
|
| 1975 | Cape Verde | 83%
|
| 1977 | Djibouti | 83%
|
| 2017 | Morocco | 83%
|
| 1975 | Mozambique | 83%
|
| 1990 | Namibia | 83%
|
| 1975 | Sao Tome and Principe | 83%
|
| 1979 | Angola | 72%
|
| 1973 | Guinea-Bissau | 67%
|
| 1994 | South Africa | 67%
|
| 1982 | Western Sahara | 33%
|