| Value | Category | Cases | |
|---|---|---|---|
| 1 | 456 | 
                                    
                                    19.5%
                                 | |
| 8 | 308 | 
                                    
                                    13.2%
                                 | |
| 9 | 1576 | 
                                    
                                    67.4%
                                 | |
| Sysmiss | 4 |