| Value | Category | 
                                    
                    
                        | 1 | 1. I have met them | 
                                    
                    
                        | 2 | 2. I know who they are | 
                                    
                    
                        | 3 | 3. I have only heard the name | 
                                    
                    
                        | 4 | 4. I have never heard of them | 
                            
            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.