| Value | Category | Cases | |
|---|---|---|---|
| 0 | 458 | 
                                    
                                    56.5%
                                 | |
| 1 | 338 | 
                                    
                                    41.7%
                                 | |
| Missing value | 15 | 
                                    
                                    1.8%
                                 |