| Value | Category | Cases | |
|---|---|---|---|
| 1 | 21 | 
                                                                 
                                    
                                    1%
                                 
                                                             | 
                                                        
                    |
| 2 | 219 | 
                                                                 
                                    
                                    10.6%
                                 
                                                             | 
                                                        
                    |
| Missing value | 1822 | 
                                                                 
                                    
                                    88.4%
                                 
                                                             |