| Value | Category | Cases | |
|---|---|---|---|
| 1 | 21 | 
                                    
                                    41.2%
                                 | |
| 8 | 27 | 
                                    
                                    52.9%
                                 | |
| 9 | 3 | 
                                    
                                    5.9%
                                 | |
| Sysmiss | 252 |