| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes | 7435 | 
                                    
                                    51.5%
                                 | 
| 3 | No | 6973 | 
                                    
                                    48.3%
                                 | 
| 8 | DK | 22 | 
                                    
                                    0.2%
                                 | 
| Sysmiss | 10497 |