| Value | Category | 
                                    
                    
                        | 0 | Not answered/omission | 
                                    
                    
                        | 1 | Not at all similar | 
                                    
                    
                        | 2 | Not too similar | 
                                    
                    
                        | 3 | Quite similar | 
                                    
                    
                        | 4 | Very similar | 
                                    
                    
                        | 5 | Neither/Undecided | 
                            
            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.