| Value | Category | Cases | |
|---|---|---|---|
| 0 | Phnom Penh | 41 | 
                                    
                                    5.1%
                                 | 
| 1 | Plain | 277 | 
                                    
                                    34.6%
                                 | 
| 2 | Tonle Sap | 303 | 
                                    
                                    37.8%
                                 | 
| 3 | Coastal | 40 | 
                                    
                                    5%
                                 | 
| 4 | Plateau/Mountain | 140 | 
                                    
                                    17.5%
                                 |