| Value | Category | Cases | |
|---|---|---|---|
| 0 | No | 5928 | 
                                                                 
                                    
                                    99.3%
                                 
                                                             | 
                                                        
                    
| 1 | Yes | 41 | 
                                                                 
                                    
                                    0.7%
                                 
                                                             | 
                                                        
                    
| Sysmiss | 31 |