| Value | Category | Cases | |
|---|---|---|---|
| 0 | 304 | 
                                                                 
                                    
                                    71.4%
                                 
                                                             | 
                                                        
                    |
| 1 | 122 | 
                                                                 
                                    
                                    28.6%
                                 
                                                             | 
                                                        
                    |
| Sysmiss | 770 |