| Value | Category | Cases | |
|---|---|---|---|
| -999 | Don’t know | 0 | 
                                    
                                    0%
                                 | 
| -888 | Refuse to answer | 0 | 
                                    
                                    0%
                                 | 
| 0 | No | 2520 | 
                                    
                                    96%
                                 | 
| 1 | Yes | 105 | 
                                    
                                    4%
                                 | 
| Sysmiss | 3 |