| Value | Category | Cases | |
|---|---|---|---|
| 0 | Phnom Penh and urban areas | 56 |
6.9%
|
| 1 | Plain | 279 |
34.4%
|
| 2 | Tonle Sap | 283 |
34.9%
|
| 3 | Coastal | 39 |
4.8%
|
| 4 | Plateau and Mountain | 155 |
19.1%
|