| Value | Category | Cases | |
|---|---|---|---|
| 1 | 41 | 
                                    
                                    29.5%
                                 | |
| 8 | 58 | 
                                    
                                    41.7%
                                 | |
| 9 | 40 | 
                                    
                                    28.8%
                                 | |
| Sysmiss | 164 |