| Value | Category | Cases | |
|---|---|---|---|
| 1 | No Erosion | 11611 | 
                                    
                                    61.4%
                                 | 
| 2 | Low | 5015 | 
                                    
                                    26.5%
                                 | 
| 3 | Moderate | 1386 | 
                                    
                                    7.3%
                                 | 
| 4 | High | 902 | 
                                    
                                    4.8%
                                 | 
| Sysmiss | 351 |