| Value | Category | 
                                    
                    
                        | 1 | None | 
                                    
                    
                        | 2 | A few | 
                                    
                    
                        | 3 | Some (about a quarter) | 
                                    
                    
                        | 4 | Half or about half | 
                                    
                    
                        | 5 | Many (about three-quarters) | 
                                    
                    
                        | 6 | Nearly everyone | 
                                    
                    
                        | 7 | Everyone | 
                                    
                    
                        | 9 | Don't know | 
                            
            Warning: these figures indicate the number of cases found in the data file. They cannot be interpreted as summary statistics of the population of interest.