| Value | Category | Cases | |
|---|---|---|---|
| 8 | 23 | 
                                    
                                    40.4%
                                 | |
| 9 | 15 | 
                                    
                                    26.3%
                                 | |
| 10 | 6 | 
                                    
                                    10.5%
                                 | |
| 11 | 4 | 
                                    
                                    7%
                                 | |
| 12 | 4 | 
                                    
                                    7%
                                 | |
| 13 | 1 | 
                                    
                                    1.8%
                                 | |
| 15 | 1 | 
                                    
                                    1.8%
                                 | |
| 20 | 3 | 
                                    
                                    5.3%
                                 | |
| Sysmiss | 5859 |