| Value | Category | Cases | |
|---|---|---|---|
| 0 | no | 1051 | 
                                                                 
                                    
                                    89%
                                 
                                                             | 
                                                        
                    
| 1 | yes | 130 | 
                                                                 
                                    
                                    11%
                                 
                                                             | 
                                                        
                    
| Sysmiss | 1019 |