| Value | Category | Cases | |
|---|---|---|---|
| 1 | YES | 1892 | 
                                    
                                    87.9%
                                 | 
| 2 | NO | 91 | 
                                    
                                    4.2%
                                 | 
| 8 | DK | 33 | 
                                    
                                    1.5%
                                 | 
| Sysmiss | 137 | 
                                    
                                    6.4%
                                 |