| Value | Category | Cases | |
|---|---|---|---|
| 1 | 6416 | 
                                    
                                    76.1%
                                 | |
| 3 | 1618 | 
                                    
                                    19.2%
                                 | |
| 8 | 400 | 
                                    
                                    4.7%
                                 | |
| Sysmiss | 4 |