| Value | Category | Cases | |
|---|---|---|---|
| 0 | no | 391 | 
                                                                 
                                    
                                    78.4%
                                 
                                                             | 
                                                        
                    
| 1 | yes | 108 | 
                                                                 
                                    
                                    21.6%
                                 
                                                             | 
                                                        
                    
| Sysmiss | 1701 |