| Value | Category | Cases | |
|---|---|---|---|
| 1 | 493 | 
                                    
                                    5.2%
                                 | |
| 3 | 8661 | 
                                    
                                    91.3%
                                 | |
| 8 | 329 | 
                                    
                                    3.5%
                                 | |
| Sysmiss | 980 |