| Value | Category | Cases | |
|---|---|---|---|
| -99 | Don't know | 392 | 
                                    
                                    16.6%
                                 | 
| -77 | NA | 0 | 
                                    
                                    0%
                                 | 
| 0 | No | 1204 | 
                                    
                                    51%
                                 | 
| 1 | Yes | 766 | 
                                    
                                    32.4%
                                 |