| Value | Category | Cases | |
|---|---|---|---|
| 1 | 6833 | 
                                    
                                    77.6%
                                 | |
| 3 | 1917 | 
                                    
                                    21.8%
                                 | |
| 8 | 50 | 
                                    
                                    0.6%
                                 | |
| Sysmiss | 1663 |