| Value | Category | Cases | |
|---|---|---|---|
| 1 | YES | 52 | 
                                    
                                    1.5%
                                 | 
| 2 | NO | 3112 | 
                                    
                                    91.8%
                                 | 
| 8 | DK | 5 | 
                                    
                                    0.1%
                                 | 
| Sysmiss | 222 | 
                                    
                                    6.5%
                                 |