| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing data | 0 | 
                                    
                                    0%
                                 | 
| 0 | No | 11368 | 
                                    
                                    44.8%
                                 | 
| 1 | Yes | 13732 | 
                                    
                                    54.1%
                                 | 
| 9 | Can't determine | 297 | 
                                    
                                    1.2%
                                 |