| Value | Category | Cases | |
|---|---|---|---|
| 0 | no | 6251 | 
                                    
                                    75.9%
                                 | 
| 1 | yes | 1986 | 
                                    
                                    24.1%
                                 | 
| 9 | 2 | 
                                    
                                    0%
                                 |