| Value | Category | 
                                    
                    
                        | 1 | not at all interested | 
                                    
                    
                        | 2 | not very interested | 
                                    
                    
                        | 3 | interested | 
                                    
                    
                        | 4 | very interested | 
                                    
                    
                        | 5 | haven't heard enough to know | 
                                    
                    
                        | 97 | n/a | 
                                    
                    
                        | 98 | refused | 
                                    
                    
                        | 99 | missing | 
                            
            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.