| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes | 6289 | 
                                    
                                    70.1%
                                 | 
| 2 | No | 2667 | 
                                    
                                    29.7%
                                 | 
| 8 | 21 | 
                                    
                                    0.2%
                                 | |
| Sysmiss | 2900 |