| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 108 | 
                                    
                                    74.5%
                                 | 
| 2 | no | 34 | 
                                    
                                    23.4%
                                 | 
| 8 | dk | 3 | 
                                    
                                    2.1%
                                 | 
| Sysmiss | 15206 |