| Value | Category | Cases | |
|---|---|---|---|
| 4 | 1 | 
                                    
                                    0.8%
                                 | |
| 5 | 1 | 
                                    
                                    0.8%
                                 | |
| 6 | 2 | 
                                    
                                    1.7%
                                 | |
| 7 | 42 | 
                                    
                                    35.6%
                                 | |
| 8 | 72 | 
                                    
                                    61%
                                 | |
| Sysmiss | 115 |