| Value | Category | Cases | |
|---|---|---|---|
| -99 | Missing | 0 | 
                                    
                                    0%
                                 | 
| 0 | No | 473 | 
                                    
                                    39.4%
                                 | 
| 1 | Yes | 727 | 
                                    
                                    60.6%
                                 |