| Value | Category | Cases | |
|---|---|---|---|
| 0 | no | 917 | 
                                    
                                    84.5%
                                 | 
| 1 | yes | 160 | 
                                    
                                    14.7%
                                 | 
| 9 | 8 | 
                                    
                                    0.7%
                                 | |
| 11 | .Z | 7154 |