| Value | Category | 
                                    
                    
                        | 1 | 0-9 years | 
                                    
                    
                        | 2 | 10-19 years | 
                                    
                    
                        | 3 | 20-29 years | 
                                    
                    
                        | 4 | 30-39 years | 
                                    
                    
                        | 5 | 40-49 years | 
                                    
                    
                        | 6 | 50-59 years | 
                                    
                    
                        | 7 | 60-69 years | 
                                    
                    
                        | 8 | 70 and more | 
                                    
                    
                        | 9 | DK, 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.