| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know | 1 | 
                                    
                                    1.1%
                                 | 
| -8 | Refused | 0 | 
                                    
                                    0%
                                 | 
| 1 | Yes | 69 | 
                                    
                                    72.6%
                                 | 
| 2 | No | 25 | 
                                    
                                    26.3%
                                 | 
| Sysmiss | 860 |