| Value | Category | Cases | |
|---|---|---|---|
| 1 | 15 | 
                                    
                                    4.8%
                                 | |
| 3 | 221 | 
                                    
                                    70.8%
                                 | |
| 8 | 76 | 
                                    
                                    24.4%
                                 | |
| Sysmiss | 3314 |