| Value | Category | Cases | |
|---|---|---|---|
| 1 | serious | 0 | 
                                    
                                    0%
                                 | 
| 2 | moderate | 0 | 
                                    
                                    0%
                                 | 
| 3 | slight | 1 | 
                                    
                                    100%
                                 | 
| 8 | dk | 0 | 
                                    
                                    0%
                                 | 
| 11 | .Z | 0 | |
| Sysmiss | 175 |