| Value | Category | Cases | |
|---|---|---|---|
| 0 | no | 5885 | 
                                    
                                    96.1%
                                 | 
| 1 | yes | 234 | 
                                    
                                    3.8%
                                 | 
| 9 | 8 | 
                                    
                                    0.1%
                                 | |
| 11 | .Z | 2112 |