| Value | Category | Cases | |
|---|---|---|---|
| 0 | no | 394 | 
                                                                 
                                    
                                    82.8%
                                 
                                                             | 
                                                        
                    
| 1 | yes | 82 | 
                                                                 
                                    
                                    17.2%
                                 
                                                             | 
                                                        
                    
| Sysmiss | 1724 |