| Value | Category | Cases | |
|---|---|---|---|
| 0 | Phnom Penh and urban areas | 87 |
6.6%
|
| 1 | Plain | 449 |
34.3%
|
| 2 | Tonle Sap | 456 |
34.8%
|
| 3 | Coastal | 65 |
5%
|
| 4 | Plateau and Mountain | 252 |
19.3%
|