| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 27 | 
                                    
                                    8.4%
                                 | 
| 2 | no | 293 | 
                                    
                                    91.6%
                                 | 
| 8 | dk | 0 | 
                                    
                                    0%
                                 | 
| Sysmiss | 15031 |