| Value | Category | Cases | |
|---|---|---|---|
| 1 | 4 | 
                                    
                                    0.4%
                                 | |
| 2 | 24 | 
                                    
                                    2.6%
                                 | |
| 6 | 878 | 
                                    
                                    96.9%
                                 | |
| Sysmiss | 15 |