| Value | Category | Cases | |
|---|---|---|---|
| 1 | Kila mwezi | 5 |
12.5%
|
| 2 | Kila baada miezi 3 | 17 |
42.5%
|
| 3 | Mara moja kwa mwaka | 10 |
25%
|
| 88 | Sijui | 6 |
15%
|
| 99 | N/A | 2 |
5%
|