| 2010 | 2012 | |
|---|---|---|
| Phnom Penh | 35 | 31 |
| Battambang | 16 | 23 |
| Banteay MeanChey | 9 | 14 |
| Siem Reap | 8 | 11 |
| Kampong Cham | 4 | 9 |
| Kandal | 9 | 9 |
| Kampong Chhnang | 8 | 7 |
| Kampong Speu | 9 | 7 |
| Pursat | 6 | 7 |
| Svay Rieng | 7 | 6 |
| Preah Sihanouk | 1 | 5 |
| Takeo | 5 | 5 |
| Kratie | 4 | 4 |
| Prey Veng | 7 | 4 |
| Preah Vihear | 2 | 3 |
| Kep | 0 | 1 |
| Kampong Thom | 6 | 1 |
| Koh Kong | 0 | 1 |
| Otdar Meanchey | 0 | 1 |
| Ratanak Kiri | 3 | 1 |
| Stung Treng | 1 | 1 |
| Pailin | 0 | 0 |
| Kampot | 2 | 0 |
| Mondul Kiri | 0 | 0 |