| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes | 2508 | 
                                    
                                    87.8%
                                 | 
| 7 | No | 9 | 
                                    
                                    0.3%
                                 | 
| 8 | DK | 338 | 
                                    
                                    11.8%
                                 | 
| Sysmiss | 22089 |