| Value | Category | Cases | |
|---|---|---|---|
| 0 | 276 | 
                                                                 
                                    
                                    51%
                                 
                                                             | 
                                                        
                    |
| 1 | 2 | 
                                                                 
                                    
                                    0.4%
                                 
                                                             | 
                                                        
                    |
| Missing value | 263 | 
                                                                 
                                    
                                    48.6%
                                 
                                                             |