| Value | Category | Cases | |
|---|---|---|---|
| 1 | Cameroon | 1 |
0.2%
|
| 2 | Central African Republic | 182 |
43.1%
|
| 3 | Niger | 1 |
0.2%
|
| 4 | Nigeria | 144 |
34.1%
|
| Missing value | 94 |
22.3%
|