| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 | 1450 | 
                                    
                                    63.3%
                                 | 
| 2 | 1 | 9 | 
                                    
                                    0.4%
                                 | 
| Missing value | 832 | 
                                    
                                    36.3%
                                 |