| Value | Category | Cases | |
|---|---|---|---|
| 0 | 615 | 
                                                                 
                                    
                                    29.8%
                                 
                                                             | 
                                                        
                    |
| 1 | 1444 | 
                                                                 
                                    
                                    70%
                                 
                                                             | 
                                                        
                    |
| Missing value | 3 | 
                                                                 
                                    
                                    0.1%
                                 
                                                             |