| Value | Category | Cases | |
|---|---|---|---|
| 1 | YES | 423 | 
                                    
                                    8.9%
                                 | 
| 2 | NO | 343 | 
                                    
                                    7.2%
                                 | 
| 8 | DK | 2 | 
                                    
                                    0%
                                 | 
| Sysmiss | 4009 | 
                                    
                                    83.9%
                                 |