| Value | Category | Cases | |
|---|---|---|---|
| -99 | Don't know | 0 | 
                                    
                                    0%
                                 | 
| 1 | Yes | 1027 | 
                                    
                                    71%
                                 | 
| 2 | No | 419 | 
                                    
                                    29%
                                 | 
| Sysmiss | 689 |