| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes | 543 | 
                                    
                                    6%
                                 | 
| 3 | No | 8288 | 
                                    
                                    91.6%
                                 | 
| 8 | DK | 213 | 
                                    
                                    2.4%
                                 | 
| Sysmiss | 48 |