| Value | Category | Cases | |
|---|---|---|---|
| 9 | 6720 | 
                                    
                                    59%
                                 | |
| 10 | 3924 | 
                                    
                                    34.5%
                                 | |
| 11 | 569 | 
                                    
                                    5%
                                 | |
| 12 | 91 | 
                                    
                                    0.8%
                                 | |
| 13 | 81 | 
                                    
                                    0.7%
                                 | |
| Sysmiss | 3 |