| Value | Category | Cases | |
|---|---|---|---|
| 0 | 489 | 
                                    
                                    60.3%
                                 | |
| 1 | 311 | 
                                    
                                    38.3%
                                 | |
| Missing value | 11 | 
                                    
                                    1.4%
                                 |