| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 33 | 
                                    
                                    16.6%
                                 | 
| 2 | no | 163 | 
                                    
                                    81.9%
                                 | 
| 8 | dk | 3 | 
                                    
                                    1.5%
                                 | 
| Sysmiss | 15152 |