| Value | Category | Cases | |
|---|---|---|---|
| 1 | 26 | 
                                    
                                    10.6%
                                 | |
| 3 | 206 | 
                                    
                                    84.1%
                                 | |
| 8 | 13 | 
                                    
                                    5.3%
                                 | |
| Sysmiss | 31 |