| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 335 | 
                                    
                                    62.4%
                                 | 
| 2 | no | 195 | 
                                    
                                    36.3%
                                 | 
| 8 | dk | 7 | 
                                    
                                    1.3%
                                 | 
| Sysmiss | 14814 |