| Value | Category | Cases | |
|---|---|---|---|
| 1 | YES | 320 | 
                                    
                                    14.9%
                                 | 
| 2 | NO | 1754 | 
                                    
                                    81.5%
                                 | 
| 8 | DK | 9 | 
                                    
                                    0.4%
                                 | 
| Sysmiss | 70 | 
                                    
                                    3.3%
                                 |