| Value | Category | Cases | |
|---|---|---|---|
| 9 | 16800 | 
                                    
                                    61.8%
                                 | |
| 10 | 8826 | 
                                    
                                    32.4%
                                 | |
| 11 | 1164 | 
                                    
                                    4.3%
                                 | |
| 12 | 197 | 
                                    
                                    0.7%
                                 | |
| 13 | 216 | 
                                    
                                    0.8%
                                 | |
| Sysmiss | 12 |