| 2006 | |
|---|---|
| Kirinyaga | 72.0 |
| Nyeri | 70.2 |
| Kiambu | 62.6 |
| Meru | 61.0 |
| Embu | 50.8 |
| Nakuru | 45.8 |
| Muranga | 44.8 |
| Mombasa | 44.1 |
| Nyandarua | 43.4 |
| Kericho | 42.5 |
| Nyamira | 39.7 |
| Taita Taveta | 36.0 |
| Kisumu | 34.3 |
| Siaya | 33.6 |
| Nairobi (City) | 30.0 |
| Laikipia | 29.0 |
| Elgeyo Marakwet | 28.7 |
| Lamu | 28.1 |
| Homa Bay | 27.0 |
| Kisii | 26.6 |
| Bomet | 25.6 |
| Vihiga | 25.4 |
| Isiolo | 25.1 |
| Kajiado | 23.8 |
| Garissa | 22.3 |
| Nandi | 21.8 |
| Baringo | 21.4 |
| Kakamega | 21.4 |
| Uasin Gishu | 21.3 |
| Tharaka Nithi | 20.8 |
| Tana River | 19.5 |
| Machakos | 19.2 |
| Trans Nzoia | 19.1 |
| Kitui | 18.2 |
| Narok | 16.2 |
| Marsabit | 14.6 |
| Bungoma | 14.6 |
| Migori | 14.2 |
| Kwale | 13.2 |
| West Pokot | 13.0 |
| Busia | 12.3 |
| Kilifi | 12.2 |
| Makueni | 9.7 |
| Samburu | 7.4 |
| Mandera | 4.6 |
| Turkana | 4.5 |
| Wajir | 3.1 |