| Value | Category | Cases | |
|---|---|---|---|
| -88 | Refused to answer | 0 | 
                                    
                                    0%
                                 | 
| 0 | No | 688 | 
                                    
                                    73.8%
                                 | 
| 1 | Yes | 244 | 
                                    
                                    26.2%
                                 | 
| Sysmiss | 568 |