| Value | Category | 
                                    
                    
                        | A |  | 
                                    
                    
                        | AB |  | 
                                    
                    
                        | ABC |  | 
                                    
                    
                        | ABCD |  | 
                                    
                    
                        | ABCE |  | 
                                    
                    
                        | ABCF |  | 
                                    
                    
                        | ABCG |  | 
                                    
                    
                        | ABF |  | 
                                    
                    
                        | AC |  | 
                                    
                    
                        | ACB |  | 
                                    
                    
                        | ACD |  | 
                                    
                    
                        | ACE |  | 
                                    
                    
                        | ACF |  | 
                                    
                    
                        | AE |  | 
                                    
                    
                        | AF |  | 
                                    
                    
                        | B |  | 
                                    
                    
                        | BA |  | 
                                    
                    
                        | BC |  | 
                                    
                    
                        | BCD |  | 
                                    
                    
                        | BCE |  | 
                                    
                    
                        | BF |  | 
                                    
                    
                        | C |  | 
                                    
                    
                        | CA |  | 
                                    
                    
                        | CD |  | 
                                    
                    
                        | CE |  | 
                                    
                    
                        | CF |  | 
                                    
                    
                        | E |  | 
                                    
                    
                        | 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.