| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 38 | 
                                    
                                    60.3%
                                 | 
| 2 | no | 23 | 
                                    
                                    36.5%
                                 | 
| 8 | dk | 2 | 
                                    
                                    3.2%
                                 | 
| Sysmiss | 15288 |