| Value | Category | Cases | |
|---|---|---|---|
| 1 | Minimal | 73 | 
                                    
                                    6.7%
                                 | 
| 2 | Moderate | 362 | 
                                    
                                    33.1%
                                 | 
| 3 | Severe | 513 | 
                                    
                                    46.9%
                                 | 
| 4 | Very Severe | 146 | 
                                    
                                    13.3%
                                 | 
| Sysmiss | 2933 |