| Value | Category | Cases | |
|---|---|---|---|
| 0 | 903 | 
                                                                 
                                    
                                    4.6%
                                 
                                                             | 
                                                        
                    |
| 1 | 119 | 
                                                                 
                                    
                                    0.6%
                                 
                                                             | 
                                                        
                    |
| Missing value | 18494 | 
                                                                 
                                    
                                    94.8%
                                 
                                                             |