| Value | Category | Cases | |
|---|---|---|---|
| 1 | YES | 633 | 
                                    
                                    40.5%
                                 | 
| 2 | NO | 11 | 
                                    
                                    0.7%
                                 | 
| 8 | DK | 1 | 
                                    
                                    0.1%
                                 | 
| Sysmiss | 919 | 
                                    
                                    58.8%
                                 |