| Value | Category | Cases | |
|---|---|---|---|
| 5 | 5 | 
                                    
                                    2.2%
                                 | |
| 6 | 218 | 
                                    
                                    95.6%
                                 | |
| 7 | 1 | 
                                    
                                    0.4%
                                 | |
| 8 | 4 | 
                                    
                                    1.8%
                                 | |
| Sysmiss | 821 |