| Value | Category | Cases | |
|---|---|---|---|
| 1 | YES | 138 | 
                                    
                                    4.1%
                                 | 
| 2 | NO | 3022 | 
                                    
                                    89.1%
                                 | 
| 8 | DK | 9 | 
                                    
                                    0.3%
                                 | 
| Sysmiss | 222 | 
                                    
                                    6.5%
                                 |