| Value | Category | Cases | |
|---|---|---|---|
| 1 | YES | 297 | 
                                    
                                    8.8%
                                 | 
| 2 | NO | 2855 | 
                                    
                                    84.2%
                                 | 
| 8 | DK | 17 | 
                                    
                                    0.5%
                                 | 
| Sysmiss | 222 | 
                                    
                                    6.5%
                                 |