| Value | Category | Cases | |
|---|---|---|---|
| 2 | 491 | 
                                    
                                    61.8%
                                 | |
| 8 | 117 | 
                                    
                                    14.7%
                                 | |
| 9 | 187 | 
                                    
                                    23.5%
                                 | |
| Sysmiss | 1 |