| Value | Category | Cases | |
|---|---|---|---|
| 1 | 57 | 
                                    
                                    19.1%
                                 | |
| 3 | 141 | 
                                    
                                    47.2%
                                 | |
| 8 | 101 | 
                                    
                                    33.8%
                                 | |
| Sysmiss | 3327 |