| Value | Category | Cases | |
|---|---|---|---|
| 1 | YES | 1868 | 
                                    
                                    13.1%
                                 | 
| 2 | NO | 711 | 
                                    
                                    5%
                                 | 
| 8 | DK | 39 | 
                                    
                                    0.3%
                                 | 
| Sysmiss | 11679 | 
                                    
                                    81.7%
                                 |