| Value | Category | Cases | |
|---|---|---|---|
| 1 | 28 | 
                                    
                                    5.6%
                                 | |
| 3 | 434 | 
                                    
                                    87.5%
                                 | |
| 8 | 34 | 
                                    
                                    6.9%
                                 | |
| Sysmiss | 3038 |