| Value | Category | Cases | |
|---|---|---|---|
| 0 | 876 | 
                                                                 
                                    
                                    76%
                                 
                                                             | 
                                                        
                    |
| 1 | 276 | 
                                                                 
                                    
                                    24%
                                 
                                                             | 
                                                        
                    |
| Sysmiss | 604 |