| Value | Category | Cases | |
|---|---|---|---|
| 0 | 320 | 
                                                                 
                                    
                                    20.8%
                                 
                                                             | 
                                                        
                    |
| 1 | 1216 | 
                                                                 
                                    
                                    79.2%
                                 
                                                             | 
                                                        
                    |
| Missing value | 672 |