| Value | Category |
|---|---|
| 1 | Kwale |
| 2 | Mombasa |
| 3 | Kilifi |
| 4 | Malindi |
| 5 | Tana River |
| 6 | Lamu |
| 8 | Tsavo |
| 10 | Central Province, Embu, Meru, Laikipia |
| 11 | Western Province |
| 12 | Nakuru and Upper Rift excluding Laikipia, Samburu |
| 13 | Kericho, Nyanza province |
| 14 | Upper Eastern (Isiolo,Marsabit, Samburu) |
| 15 | Kajiado |
| 16 | Narok, Transmara |
| 17 | Nairobi |