| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes | 2857 | 
                                    
                                    43.8%
                                 | 
| 3 | No | 3610 | 
                                    
                                    55.3%
                                 | 
| 8 | DK | 60 | 
                                    
                                    0.9%
                                 | 
| Sysmiss | 18400 |