| Value | Category | Cases | |
|---|---|---|---|
| 0 | no | 81 | 
                                                                 
                                    
                                    80.2%
                                 
                                                             | 
                                                        
                    
| 1 | yes | 20 | 
                                                                 
                                    
                                    19.8%
                                 
                                                             | 
                                                        
                    
| Sysmiss | 6654 |