| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1. Plains | 1489 | 
                                    
                                    32.3%
                                 | 
| 2 | 2. Mid-altitude Plains | 1259 | 
                                    
                                    27.3%
                                 | 
| 3 | 3. High-altitude Plains | 427 | 
                                    
                                    9.3%
                                 | 
| 4 | 4. Lowlands | 596 | 
                                    
                                    12.9%
                                 | 
| 5 | 5. Rugged Lowlands | 0 | 
                                    
                                    0%
                                 | 
| 6 | 6. Platform(very low plateaus) | 607 | 
                                    
                                    13.2%
                                 | 
| 7 | 7. Low Plateaus | 128 | 
                                    
                                    2.8%
                                 | 
| 8 | 8. Mid-altitude Plateaus | 40 | 
                                    
                                    0.9%
                                 | 
| 9 | 9. High Plateaus | 0 | 
                                    
                                    0%
                                 | 
| 10 | 10. Very high plateaus | 0 | 
                                    
                                    0%
                                 | 
| 11 | 11. Hills | 54 | 
                                    
                                    1.2%
                                 | 
| 12 | 12. Low Mountains | 13 | 
                                    
                                    0.3%
                                 | 
| 13 | 13. Mid-altitude Mountains | 0 | 
                                    
                                    0%
                                 | 
| 14 | 14. High Mountains | 0 | 
                                    
                                    0%
                                 | 
| 15 | 15. Very High Mountains | 0 | 
                                    
                                    0%
                                 |