| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes | 11 | 
                                    
                                    23.9%
                                 | 
| 3 | No | 0 | 
                                    
                                    0%
                                 | 
| 8 | DK | 35 | 
                                    
                                    76.1%
                                 | 
| Sysmiss | 9046 |