| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 | 1435 | 
                                    
                                    67%
                                 | 
| 2 | 1 | 677 | 
                                    
                                    31.6%
                                 | 
| Missing value | 29 | 
                                    
                                    1.4%
                                 |