| Value | Category | Cases | |
|---|---|---|---|
| 0 | no | 4962 | 
                                    
                                    81%
                                 | 
| 1 | yes | 1157 | 
                                    
                                    18.9%
                                 | 
| 9 | 8 | 
                                    
                                    0.1%
                                 | |
| 11 | .Z | 2112 |