| Value | Category | Cases | |
|---|---|---|---|
| -99 | Don't know | 257 | 
                                    
                                    10.9%
                                 | 
| -77 | NA | 0 | 
                                    
                                    0%
                                 | 
| 0 | No | 915 | 
                                    
                                    38.7%
                                 | 
| 1 | Yes | 1190 | 
                                    
                                    50.4%
                                 |