| Value | Category | 
|---|---|
| 1 | Banteay Meanchey | 
| 2 | Battambang | 
| 3 | Kampong Thom | 
| 4 | Pursat | 
| 5 | Ratanakiri | 
| 6 | Siem Reap | 
| 7 | Svay Rieng | 
| 8 | Phnom Penh | 
| 9 | Other Urban | 
| 10 | Other Rural of part 1 (Koh Kong, Mondul Kiri and Stung Treng) | 
| 11 | Other Rural of part 2 (Kampong Cham, Kampong Chhnang, Kampong Speu, Kampot, Kratie, Prey Veng and Takeo) |