| Value | Category | Cases | |
|---|---|---|---|
| 1 | YES | 343 | 
                                    
                                    7.2%
                                 | 
| 2 | NO | 3530 | 
                                    
                                    73.9%
                                 | 
| 8 | DK | 1 | 
                                    
                                    0%
                                 | 
| Sysmiss | 903 | 
                                    
                                    18.9%
                                 |