| Value | Category | Cases | |
|---|---|---|---|
| -88 | Refused to answer | 0 | 
                                    
                                    0%
                                 | 
| 0 | No | 514 | 
                                    
                                    55.2%
                                 | 
| 1 | Yes | 418 | 
                                    
                                    44.8%
                                 | 
| Sysmiss | 568 |