| Value | Category | 
                                    
                    
                        | A |  | 
                                    
                    
                        | AB |  | 
                                    
                    
                        | ABC |  | 
                                    
                    
                        | ABCD |  | 
                                    
                    
                        | ABCDE |  | 
                                    
                    
                        | ABCDEF |  | 
                                    
                    
                        | ABCDEFG |  | 
                                    
                    
                        | ABCDEFGH |  | 
                                    
                    
                        | ABCDEFGHI |  | 
                                    
                    
                        | ABCDEG |  | 
                                    
                    
                        | ABCDEH |  | 
                                    
                    
                        | ABCDF |  | 
                                    
                    
                        | ABCDFH |  | 
                                    
                    
                        | ABCDH |  | 
                                    
                    
                        | ABCE |  | 
                                    
                    
                        | ABCEF |  | 
                                    
                    
                        | ABCEFG |  | 
                                    
                    
                        | ABCEFGH |  | 
                                    
                    
                        | ABCEFH |  | 
                                    
                    
                        | ABCEG |  | 
                                    
                    
                        | ABCEGH |  | 
                                    
                    
                        | ABCEH |  | 
                                    
                    
                        | ABCF |  | 
                                    
                    
                        | ABCFGH |  | 
                                    
                    
                        | ABCFH |  | 
                                    
                    
                        | ABCG |  | 
                                    
                    
                        | ABCH |  | 
                                    
                    
                        | ABCI |  | 
                                    
                    
                        | ABDEF |  | 
                                    
                    
                        | ABDH |  | 
                                    
                    
                        | ABE |  | 
                                    
                    
                        | ABEH |  | 
                                    
                    
                        | ABF |  | 
                                    
                    
                        | ABH |  | 
                                    
                    
                        | AC |  | 
                                    
                    
                        | ACD |  | 
                                    
                    
                        | ACDE |  | 
                                    
                    
                        | ACDEH |  | 
                                    
                    
                        | ACE |  | 
                                    
                    
                        | ACEF |  | 
                                    
                    
                        | ACEG |  | 
                                    
                    
                        | ACEH |  | 
                                    
                    
                        | ACEI |  | 
                                    
                    
                        | ACGH |  | 
                                    
                    
                        | ACH |  | 
                                    
                    
                        | ACI |  | 
                                    
                    
                        | AD |  | 
                                    
                    
                        | ADE |  | 
                                    
                    
                        | ADEH |  | 
                                    
                    
                        | ADG |  | 
                                    
                    
                        | ADH |  | 
                                    
                    
                        | AE |  | 
                                    
                    
                        | AEF |  | 
                                    
                    
                        | AEFG |  | 
                                    
                    
                        | AEFGH |  | 
                                    
                    
                        | AEFH |  | 
                                    
                    
                        | AEG |  | 
                                    
                    
                        | AEH |  | 
                                    
                    
                        | AEHI |  | 
                                    
                    
                        | AEI |  | 
                                    
                    
                        | AF |  | 
                                    
                    
                        | AFH |  | 
                                    
                    
                        | AG |  | 
                                    
                    
                        | AH |  | 
                                    
                    
                        | AHI |  | 
                                    
                    
                        | AI |  | 
                                    
                    
                        | B |  | 
                                    
                    
                        | DE |  | 
                                    
                    
                        | E |  | 
                                    
                    
                        | EF |  | 
                                    
                    
                        | EFGH |  | 
                                    
                    
                        | EG |  | 
                                    
                    
                        | EH |  | 
                                    
                    
                        | EI |  | 
                                    
                    
                        | H |  | 
                                    
                    
                        | HI |  | 
                                    
                    
                        | I |  | 
                                    
                    
                        | 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.