| 2006 | |
|---|---|
| Samburu | 79.1 |
| Turkana | 51.5 |
| Siaya | 45.0 |
| Kitui | 43.0 |
| Homa Bay | 42.3 |
| Taita Taveta | 38.9 |
| Wajir | 38.8 |
| Vihiga | 37.1 |
| Muranga | 36.6 |
| Trans Nzoia | 35.5 |
| Kisii | 35.2 |
| Nyandarua | 34.6 |
| Makueni | 34.2 |
| Machakos | 33.7 |
| Nyeri | 33.3 |
| Migori | 32.6 |
| Kakamega | 32.6 |
| Marsabit | 32.1 |
| Nyamira | 31.7 |
| Busia | 31.6 |
| Laikipia | 30.7 |
| Tharaka Nithi | 30.2 |
| West Pokot | 29.7 |
| Kiambu | 29.5 |
| Kilifi | 29.5 |
| Kisumu | 28.9 |
| Isiolo | 28.2 |
| Mandera | 27.0 |
| Elgeyo Marakwet | 26.9 |
| Nandi | 26.2 |
| Nakuru | 25.6 |
| Meru | 24.1 |
| Bungoma | 23.7 |
| Lamu | 23.4 |
| Baringo | 23.4 |
| Garissa | 23.3 |
| Mombasa | 22.7 |
| Embu | 22.4 |
| Kajiado | 22.3 |
| Kwale | 21.9 |
| Nairobi | 19.2 |
| Bomet | 19.1 |
| Kirinyaga | 19.0 |
| Uasin Gishu | 17.9 |
| Tana River | 17.4 |
| Narok | 16.4 |
| Kericho | 13.5 |