| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes | 25 | 
                                    
                                    83.3%
                                 | 
| 3 | No | 0 | 
                                    
                                    0%
                                 | 
| 8 | DK | 5 | 
                                    
                                    16.7%
                                 | 
| Sysmiss | 9042 |