| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes | 1895 | 
                                    
                                    21%
                                 | 
| 3 | No | 7090 | 
                                    
                                    78.4%
                                 | 
| 8 | DK | 59 | 
                                    
                                    0.7%
                                 | 
| Sysmiss | 48 |