| Value | Category | Cases | |
|---|---|---|---|
| 1 | 4 | 
                                    
                                    0.3%
                                 | |
| 3 | 1164 | 
                                    
                                    86.3%
                                 | |
| 8 | 181 | 
                                    
                                    13.4%
                                 | |
| Sysmiss | 496 |