| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes | 616 | 
                                    
                                    18.9%
                                 | 
| 3 | No | 2641 | 
                                    
                                    80.9%
                                 | 
| 8 | DK | 7 | 
                                    
                                    0.2%
                                 | 
| Sysmiss | 21680 |