| 2006 | |
|---|---|
| Tharaka Nithi | 96.4 |
| Kisumu | 93.2 |
| Kirinyaga | 86.9 |
| Kericho | 86.0 |
| Busia | 85.6 |
| Muranga | 84.2 |
| Baringo | 83.5 |
| Lamu | 82.6 |
| Samburu | 80.6 |
| Makueni | 80.5 |
| Nyeri | 79.9 |
| Meru | 78.6 |
| Kwale | 78.0 |
| Siaya | 74.7 |
| Turkana | 74.0 |
| Kajiado | 72.8 |
| Narok | 71.9 |
| Nakuru | 70.7 |
| Marsabit | 70.4 |
| Machakos | 70.3 |
| Nandi | 70.2 |
| Kisii | 69.9 |
| Kakamega | 66.8 |
| Embu | 66.6 |
| Kitui | 66.2 |
| Taita Taveta | 65.8 |
| Bomet | 63.9 |
| Kilifi | 63.6 |
| Nairobi (City) | 63.0 |
| Nyamira | 61.6 |
| Homa Bay | 60.6 |
| Kiambu | 60.5 |
| Mombasa | 60.5 |
| Migori | 60.4 |
| Isiolo | 57.4 |
| Vihiga | 56.8 |
| Elgeyo Marakwet | 55.7 |
| Nyandarua | 55.6 |
| Uasin Gishu | 51.7 |
| Laikipia | 49.4 |
| Trans Nzoia | 48.9 |
| Bungoma | 48.9 |
| Tana River | 39.0 |
| Garissa | 28.7 |
| West Pokot | 17.4 |
| Mandera | 10.3 |
| Wajir | 5.2 |