| 2010 | 2012 | |
|---|---|---|
| Siem Reap | 60 | 48 |
| Battambang | 37 | 27 |
| Otdar Meanchey | 21 | 17 |
| Prey Veng | 11 | 13 |
| Preah Vihear | 16 | 9 |
| Stung Treng | 3 | 9 |
| Mondul Kiri | 9 | 8 |
| Svay Rieng | 6 | 7 |
| Pursat | 5 | 6 |
| Banteay MeanChey | 8 | 5 |
| Kampong Cham | 11 | 5 |
| Kampot | 5 | 5 |
| Phnom Penh | 2 | 4 |
| Kampong Thom | 7 | 4 |
| Koh Kong | 1 | 3 |
| Kampong Speu | 4 | 2 |
| Kratie | 2 | 2 |
| Takeo | 2 | 2 |
| Kampong Chhnang | 3 | 1 |
| Kandal | 0 | 1 |
| Ratanak Kiri | 0 | 1 |
| Kep | 0 | 0 |
| Pailin | 1 | 0 |
| Preah Sihanouk | 0 | 0 |