| Value | Category | 
                                    
                    
                        | 1 | Not confident at all | 
                                    
                    
                        | 2 | Neither confident nor otherwise | 
                                    
                    
                        | 3 | Generally confident | 
                                    
                    
                        | 4 | Very confident | 
                                    
                    
                        | 5 | 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.