| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know | 3 | 
                                    
                                    0.5%
                                 | 
| -8 | Refused | 1 | 
                                    
                                    0.2%
                                 | 
| 1 | Yes | 294 | 
                                    
                                    53.8%
                                 | 
| 2 | No | 248 | 
                                    
                                    45.4%
                                 | 
| Sysmiss | 409 |