| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing data | 4 | 
                                    
                                    0%
                                 | 
| 0 | No | 13036 | 
                                    
                                    51.3%
                                 | 
| 1 | Yes | 11622 | 
                                    
                                    45.8%
                                 | 
| 9 | Can't determine | 735 | 
                                    
                                    2.9%
                                 |