| Value | Category | Cases | |
|---|---|---|---|
| 4 | 508 | 
                                    
                                    21.9%
                                 | |
| 8 | 282 | 
                                    
                                    12.1%
                                 | |
| 9 | 1531 | 
                                    
                                    66%
                                 | |
| Sysmiss | 23 |