| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1 | 
                                    
                                    0.6%
                                 | |
| 3 | 133 | 
                                    
                                    80.1%
                                 | |
| 8 | 32 | 
                                    
                                    19.3%
                                 | |
| Sysmiss | 15 |