| Value | Category | Cases | |
|---|---|---|---|
| 0 | No | 39 | 
                                                                 
                                    
                                    50.6%
                                 
                                                             | 
                                                        
                    
| 1 | Yes | 38 | 
                                                                 
                                    
                                    49.4%
                                 
                                                             | 
                                                        
                    
| Sysmiss | 135 |