| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 | 1132 | 
                                                                 
                                    
                                    5.8%
                                 
                                                             | 
                                                        
                    
| 2 | 1 | 643 | 
                                                                 
                                    
                                    3.3%
                                 
                                                             | 
                                                        
                    
| Missing value | 17741 | 
                                                                 
                                    
                                    90.9%
                                 
                                                             |