| Value | Category | Cases | |
|---|---|---|---|
| 0 | no | 17501 | 
                                                                 
                                    
                                    93.3%
                                 
                                                             | 
                                                        
                    
| 1 | yes | 1232 | 
                                                                 
                                    
                                    6.6%
                                 
                                                             | 
                                                        
                    
| 8 | dk | 12 | 
                                                                 
                                    
                                    0.1%
                                 
                                                             | 
                                                        
                    
| 9 | 9 | 
                                                                 
                                    
                                    0%
                                 
                                                             |