| Value | Category | Cases | |
|---|---|---|---|
| 0 | 1153 | 
                                                                 
                                    
                                    23%
                                 
                                                             | 
                                                        
                    |
| 1 | 8 | 
                                                                 
                                    
                                    0.2%
                                 
                                                             | 
                                                        
                    |
| Missing value | 3843 | 
                                                                 
                                    
                                    76.8%
                                 
                                                             |