| Value | Category | Cases | |
|---|---|---|---|
| 0 | no | 7383 | 
                                    
                                    89.6%
                                 | 
| 1 | yes | 851 | 
                                    
                                    10.3%
                                 | 
| 9 | 5 | 
                                    
                                    0.1%
                                 |