| Value | Category | Cases | |
|---|---|---|---|
| 0 | No | 18859 | 
                                                                 
                                    
                                    92.3%
                                 
                                                             | 
                                                        
                    
| 1 | Yes | 1575 | 
                                                                 
                                    
                                    7.7%
                                 
                                                             | 
                                                        
                    
| Sysmiss | 5411 |