| 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) |