| Value | Category | Cases | |
|---|---|---|---|
| 1 | YES | 73 | 
                                    
                                    3.4%
                                 | 
| 2 | NO | 1834 | 
                                    
                                    85.2%
                                 | 
| 8 | DK | 109 | 
                                    
                                    5.1%
                                 | 
| Sysmiss | 137 | 
                                    
                                    6.4%
                                 |