| Value | Category | Cases | |
|---|---|---|---|
| 0 | no | 2078 | 
                                    
                                    25.6%
                                 | 
| 1 | yes | 6032 | 
                                    
                                    74.3%
                                 | 
| 9 | 3 | 
                                    
                                    0%
                                 | |
| 11 | .Z | 126 |