| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes | 7648 | 
                                    
                                    84.6%
                                 | 
| 3 | No | 0 | 
                                    
                                    0%
                                 | 
| 8 | DK | 1396 | 
                                    
                                    15.4%
                                 | 
| Sysmiss | 48 |