| Value | Category | Cases | |
|---|---|---|---|
| 1 | 310 | 
                                    
                                    15.8%
                                 | |
| 3 | 1375 | 
                                    
                                    70%
                                 | |
| 8 | 278 | 
                                    
                                    14.2%
                                 | |
| Sysmiss | 1571 |