| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 51 | 
                                    
                                    87.9%
                                 | 
| 2 | no | 7 | 
                                    
                                    12.1%
                                 | 
| 8 | dk | 0 | 
                                    
                                    0%
                                 | 
| Sysmiss | 15293 |