| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 146 | 
                                    
                                    54.7%
                                 | 
| 2 | no | 120 | 
                                    
                                    44.9%
                                 | 
| 8 | dk | 1 | 
                                    
                                    0.4%
                                 | 
| Sysmiss | 15084 |