| 2007 | |
|---|---|
| Zhemgang | 17.8 |
| Samtse | 17.6 |
| Samdrup Jongkha | 12.2 |
| Lhuentse | 11.2 |
| Monggar | 10.2 |
| Dagana | 9.7 |
| Trashigang | 7.0 |
| Ha | 5.1 |
| Trongsa | 4.8 |
| Chhukha | 4.5 |
| Pemagatshel | 4.5 |
| Sarpang | 3.3 |
| Tsirang | 2.5 |
| Punakha | 1.9 |
| Wangdue Phodrang | 1.9 |
| Gasa | 1.0 |
| Bumthang | 0.9 |
| Paro | 0.6 |
| Trashi Yangtse | 0.5 |
| Thimphu | 0.1 |