| Years | Country | % Correct |
|---|---|---|
| 52.52 | Chad | 77%
|
| 55.28 | Somalia | 75%
|
| 53.90 | Central African Republic | 72%
|
| 58.94 | Mali | 72%
|
| 54.98 | South Sudan | 72%
|
| 52.68 | Nigeria | 65%
|
| 58.89 | Guinea | 53%
|
| 53.06 | Lesotho | 37%
|
| 57.07 | Eswatini | 35%
|
| 58.60 | Ivory Coast | 26%
|