| Value | Category | Cases | |
|---|---|---|---|
| 0 | no | 67 | 
                                    
                                    13.3%
                                 | 
| 1 | yes | 427 | 
                                    
                                    85.1%
                                 | 
| 9 | 8 | 
                                    
                                    1.6%
                                 | |
| 11 | .Z | 7737 |