| Value | Category | Cases | |
|---|---|---|---|
| 8 | 1 | 
                                    
                                    0%
                                 | |
| 9 | 1319 | 
                                    
                                    34.2%
                                 | |
| 10 | 1554 | 
                                    
                                    40.3%
                                 | |
| 11 | 715 | 
                                    
                                    18.6%
                                 | |
| 12 | 171 | 
                                    
                                    4.4%
                                 | |
| 13 | 93 | 
                                    
                                    2.4%
                                 | |
| Sysmiss | 40 |