| Value | Category | Cases | |
|---|---|---|---|
| 0 | 1265 | 
                                    
                                    34.9%
                                 | |
| 1 | 141 | 
                                    
                                    3.9%
                                 | |
| Missing value | 2219 | 
                                    
                                    61.2%
                                 |