| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes | 375 | 
                                    
                                    4.1%
                                 | 
| 3 | No | 8664 | 
                                    
                                    95.8%
                                 | 
| 8 | DK | 8 | 
                                    
                                    0.1%
                                 | 
| Sysmiss | 45 |