| Value | Category | Cases | |
|---|---|---|---|
| 1 | Kila mwezi | 73 |
20.2%
|
| 2 | Kila baada miezi 3 | 63 |
17.4%
|
| 3 | Mara moja kwa mwaka | 46 |
12.7%
|
| 88 | Sijui | 179 |
49.4%
|
| 99 | 1 |
0.3%
|