| Value | Category | Cases | |
|---|---|---|---|
| 0 | no | 14 | 
                                    
                                    5.6%
                                 | 
| 1 | yes | 234 | 
                                    
                                    94%
                                 | 
| 9 | 1 | 
                                    
                                    0.4%
                                 | |
| 11 | .Z | 7990 |