| Value | Category | Cases | |
|---|---|---|---|
| 0 | no | 1021 | 
                                    
                                    94.1%
                                 | 
| 1 | yes | 56 | 
                                    
                                    5.2%
                                 | 
| 9 | 8 | 
                                    
                                    0.7%
                                 | |
| 11 | .Z | 7154 |