| Value | Category | Cases | |
|---|---|---|---|
| 1 | 49 | 
                                    
                                    17%
                                 | |
| 3 | 218 | 
                                    
                                    75.4%
                                 | |
| 8 | 22 | 
                                    
                                    7.6%
                                 | |
| Sysmiss | 1556 |