| Value | Category | Cases | |
|---|---|---|---|
| 0 | no | 270 | 
                                                                 
                                    
                                    16.8%
                                 
                                                             | 
                                                        
                    
| 1 | yes | 1337 | 
                                                                 
                                    
                                    83.2%
                                 
                                                             | 
                                                        
                    
| Sysmiss | 593 |