| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes | 16891 | 
                                    
                                    72%
                                 | 
| 3 | No | 6527 | 
                                    
                                    27.8%
                                 | 
| 8 | DK | 41 | 
                                    
                                    0.2%
                                 | 
| Sysmiss | 1468 |