| Value | Category | Cases | |
|---|---|---|---|
| -99 | Don't know | 0 | 
                                    
                                    0%
                                 | 
| 1 | Yes | 2634 | 
                                    
                                    83.7%
                                 | 
| 2 | No | 513 | 
                                    
                                    16.3%
                                 | 
| Sysmiss | 176 |