| Value | Category | Cases | |
|---|---|---|---|
| 9 | 497 | 
                                    
                                    26.1%
                                 | |
| 10 | 1017 | 
                                    
                                    53.4%
                                 | |
| 11 | 292 | 
                                    
                                    15.3%
                                 | |
| 12 | 95 | 
                                    
                                    5%
                                 | |
| 13 | 3 | 
                                    
                                    0.2%
                                 | |
| Sysmiss | 9104 |