| Value | Category | Cases | |
|---|---|---|---|
| 1 | 487 | 
                                    
                                    78.9%
                                 | |
| 6 | 93 | 
                                    
                                    15.1%
                                 | |
| 7 | 1 | 
                                    
                                    0.2%
                                 | |
| 8 | 1 | 
                                    
                                    0.2%
                                 | |
| 9 | 35 | 
                                    
                                    5.7%
                                 | |
| Sysmiss | 1 |