| Value | Category | Cases | |
|---|---|---|---|
| 0 | no | 204 | 
                                    
                                    11.5%
                                 | 
| 1 | yes | 1560 | 
                                    
                                    88.1%
                                 | 
| 8 | dk | 5 | 
                                    
                                    0.3%
                                 | 
| 9 | 1 | 
                                    
                                    0.1%
                                 | |
| 11 | .Z | 6469 |