| Value | Category | Cases | |
|---|---|---|---|
| 1 | 286 | 
                                    
                                    8.5%
                                 | |
| 3 | 3034 | 
                                    
                                    90.2%
                                 | |
| 8 | 43 | 
                                    
                                    1.3%
                                 | |
| Sysmiss | 171 |