| 2006 | |
|---|---|
| Turkana | 60.03 |
| Nairobi | 58.92 |
| Kiambu | 52.63 |
| Kajiado | 45.72 |
| Kirinyaga | 45.43 |
| Uasin Gishu | 42.92 |
| Migori | 42.80 |
| Nyamira | 37.80 |
| Nyeri | 37.65 |
| Mombasa | 34.39 |
| Nyandarua | 31.81 |
| Isiolo | 31.79 |
| Laikipia | 31.46 |
| Trans Nzoia | 31.40 |
| Nakuru | 31.09 |
| Homa Bay | 30.72 |
| Samburu | 30.68 |
| Kisii | 30.11 |
| Muranga | 29.00 |
| Taita Taveta | 28.65 |
| Busia | 27.84 |
| Lamu | 26.37 |
| Marsabit | 25.85 |
| Embu | 25.72 |
| Siaya | 25.45 |
| Bomet | 25.08 |
| Baringo | 25.00 |
| West Pokot | 23.34 |
| Kisumu | 22.58 |
| Kwale | 21.64 |
| Kericho | 20.49 |
| Tana River | 18.99 |
| Kitui | 18.16 |
| Machakos | 17.58 |
| Vihiga | 17.52 |
| Kakamega | 17.42 |
| Narok | 16.25 |
| Makueni | 15.59 |
| Bungoma | 15.54 |
| Nandi | 14.89 |
| Kilifi | 12.47 |
| Garissa | 12.21 |
| Wajir | 7.31 |
| Mandera | 6.33 |