| Value | Category | 
                                    
                    
                        | AB-X |  | 
                                    
                    
                        | B-X |  | 
                                    
                    
                        | B1 TO B8 |  | 
                                    
                    
                        | B1-8 |  | 
                                    
                    
                        | B1-B8 |  | 
                                    
                    
                        | C-G |  | 
                                    
                    
                        | C-X |  | 
                                    
                    
                        | D-X |  | 
                                    
                    
                        | E-X |  | 
                                    
                    
                        | FROM B-X |  | 
                                    
                    
                        | G-V |  | 
                                    
                    
                        | G-X |  | 
                                    
                    
                        | H-X |  | 
                                    
                    
                        | J-X |  | 
                                    
                    
                        | K-X |  | 
                                    
                    
                        | O-X |  | 
                                    
                    
                        | V |  | 
                                    
                    
                        | V-X |  | 
                            
            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.