| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes | 2448 | 
                                    
                                    27.1%
                                 | 
| 3 | No | 6524 | 
                                    
                                    72.1%
                                 | 
| 8 | DK | 72 | 
                                    
                                    0.8%
                                 | 
| Sysmiss | 48 |