| Value | Category | Cases | |
|---|---|---|---|
| 1 | YES | 46 | 
                                    
                                    0.5%
                                 | 
| 2 | NO | 3831 | 
                                    
                                    38%
                                 | 
| 8 | DK | 21 | 
                                    
                                    0.2%
                                 | 
| Sysmiss | 6182 | 
                                    
                                    61.3%
                                 |