| Value | Category | 
                                    
                    
                        | A |  | 
                                    
                    
                        | ABC |  | 
                                    
                    
                        | ABCD |  | 
                                    
                    
                        | AC |  | 
                                    
                    
                        | ACDE |  | 
                                    
                    
                        | B |  | 
                                    
                    
                        | BC |  | 
                                    
                    
                        | BCD |  | 
                                    
                    
                        | BCDEV |  | 
                                    
                    
                        | BDEF |  | 
                                    
                    
                        | C |  | 
                                    
                    
                        | CD |  | 
                                    
                    
                        | CDE |  | 
                                    
                    
                        | CDEF |  | 
                                    
                    
                        | CE |  | 
                                    
                    
                        | CF |  | 
                                    
                    
                        | D |  | 
                                    
                    
                        | DE |  | 
                                    
                    
                        | DF |  | 
                                    
                    
                        | E |  | 
                                    
                    
                        | EF |  | 
                                    
                    
                        | EV |  | 
                                    
                    
                        | FV |  | 
                                    
                    
                        | V |  | 
                                    
                    
                        | W |  | 
                            
            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.