| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes | 1012 | 
                                    
                                    11.2%
                                 | 
| 3 | No | 7932 | 
                                    
                                    87.7%
                                 | 
| 8 | DK | 100 | 
                                    
                                    1.1%
                                 | 
| Sysmiss | 48 |