| Value | Category | Cases | |
|---|---|---|---|
| 1 | 579 | 
                                    
                                    93.8%
                                 | |
| 6 | 28 | 
                                    
                                    4.5%
                                 | |
| 7 | 1 | 
                                    
                                    0.2%
                                 | |
| 8 | 2 | 
                                    
                                    0.3%
                                 | |
| 9 | 7 | 
                                    
                                    1.1%
                                 | |
| Sysmiss | 1 |