| Value | Category | Cases | |
|---|---|---|---|
| 1 | YES | 175 | 
                                    
                                    4.1%
                                 | 
| 2 | NO | 371 | 
                                    
                                    8.8%
                                 | 
| 8 | DK | 63 | 
                                    
                                    1.5%
                                 | 
| Sysmiss | 3626 | 
                                    
                                    85.6%
                                 |