| Value | Category | Cases | |
|---|---|---|---|
| 6 | 2 | 
                                    
                                    1.5%
                                 | |
| 7 | 49 | 
                                    
                                    36.3%
                                 | |
| 8 | 25 | 
                                    
                                    18.5%
                                 | |
| 9 | 19 | 
                                    
                                    14.1%
                                 | |
| 10 | 21 | 
                                    
                                    15.6%
                                 | |
| 11 | 10 | 
                                    
                                    7.4%
                                 | |
| 12 | 8 | 
                                    
                                    5.9%
                                 | |
| 13 | 1 | 
                                    
                                    0.7%
                                 | |
| Sysmiss | 5781 |