| Value | Category | Cases | |
|---|---|---|---|
| 1 | Most severe | 1076 | 
                                    
                                    53.6%
                                 | 
| 2 | More severe | 594 | 
                                    
                                    29.6%
                                 | 
| 3 | Severe | 337 | 
                                    
                                    16.8%
                                 | 
| Sysmiss | 29171 |