| Value | Category | 
                                    
                    
                        | A |  | 
                                    
                    
                        | AB |  | 
                                    
                    
                        | ABCD |  | 
                                    
                    
                        | ABD |  | 
                                    
                    
                        | ABE |  | 
                                    
                    
                        | B |  | 
                                    
                    
                        | BC |  | 
                                    
                    
                        | BCC |  | 
                                    
                    
                        | BCD |  | 
                                    
                    
                        | BCE |  | 
                                    
                    
                        | BD |  | 
                                    
                    
                        | BDE |  | 
                                    
                    
                        | BE |  | 
                                    
                    
                        | BG |  | 
                                    
                    
                        | C |  | 
                                    
                    
                        | CD |  | 
                                    
                    
                        | CDE |  | 
                                    
                    
                        | CDG |  | 
                                    
                    
                        | CE |  | 
                                    
                    
                        | CG |  | 
                                    
                    
                        | D |  | 
                                    
                    
                        | DE |  | 
                                    
                    
                        | E |  | 
                                    
                    
                        | F |  | 
                                    
                    
                        | G |  | 
                                    
                    
                        | H |  | 
                                    
                    
                        | Z |  | 
                            
            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.