| Value | Category | Cases | |
|---|---|---|---|
| 0 | no | 7177 | 
                                                                 
                                    
                                    38.3%
                                 
                                                             | 
                                                        
                    
| 1 | yes | 11450 | 
                                                                 
                                    
                                    61.1%
                                 
                                                             | 
                                                        
                    
| 8 | don't know | 122 | 
                                                                 
                                    
                                    0.7%
                                 
                                                             | 
                                                        
                    
| 9 | 5 | 
                                                                 
                                    
                                    0%
                                 
                                                             |