| Value | Category | Cases | |
|---|---|---|---|
| 1 | 500 | 
                                    
                                    5.3%
                                 | |
| 3 | 8778 | 
                                    
                                    92.6%
                                 | |
| 8 | 206 | 
                                    
                                    2.2%
                                 | |
| Sysmiss | 979 |