| Value | Category | Cases | |
|---|---|---|---|
| 1 | YES | 3716 | 
                                    
                                    26%
                                 | 
| 2 | NO | 54 | 
                                    
                                    0.4%
                                 | 
| 8 | DK | 1 | 
                                    
                                    0%
                                 | 
| Sysmiss | 10526 | 
                                    
                                    73.6%
                                 |