| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 94 | 
                                    
                                    64.8%
                                 | 
| 2 | no | 47 | 
                                    
                                    32.4%
                                 | 
| 8 | dk | 4 | 
                                    
                                    2.8%
                                 | 
| Sysmiss | 15206 |