| Value | Category | Cases | |
|---|---|---|---|
| 1 | 7 | 
                                    
                                    4.3%
                                 | |
| 3 | 149 | 
                                    
                                    91.4%
                                 | |
| 8 | 7 | 
                                    
                                    4.3%
                                 | |
| Sysmiss | 3371 |