| Value | Category | Cases | |
|---|---|---|---|
| 1 | 20 | 
                                    
                                    9.3%
                                 | |
| 2 | 164 | 
                                    
                                    75.9%
                                 | |
| 8 | 32 | 
                                    
                                    14.8%
                                 | |
| Sysmiss | 3318 |