| Value | Category | Cases | |
|---|---|---|---|
| 1 | Agadez | 27 |
10%
|
| 2 | Diffa | 23 |
8.5%
|
| 3 | Dosso | 26 |
9.6%
|
| 4 | Maradi | 30 |
11.1%
|
| 5 | Tahoua | 29 |
10.7%
|
| 6 | Tillabéri | 25 |
9.3%
|
| 7 | Zinder | 32 |
11.9%
|
| 8 | Niamey | 78 |
28.9%
|