| Value | Category | 
                                    
                    
                        | -999999 |  | 
                                    
                    
                        | 1 |  | 
                                    
                    
                        | 1 3 |  | 
                                    
                    
                        | 1 3 97 |  | 
                                    
                    
                        | 1 8 |  | 
                                    
                    
                        | 1 97 |  | 
                                    
                    
                        | 2 |  | 
                                    
                    
                        | 2 3 |  | 
                                    
                    
                        | 2 3 4 |  | 
                                    
                    
                        | 2 3 5 |  | 
                                    
                    
                        | 2 3 8 |  | 
                                    
                    
                        | 2 8 |  | 
                                    
                    
                        | 3 |  | 
                                    
                    
                        | 3 4 |  | 
                                    
                    
                        | 3 4 97 |  | 
                                    
                    
                        | 3 5 |  | 
                                    
                    
                        | 3 5 97 |  | 
                                    
                    
                        | 3 7 |  | 
                                    
                    
                        | 3 8 |  | 
                                    
                    
                        | 3 8 97 |  | 
                                    
                    
                        | 3 97 |  | 
                                    
                    
                        | 4 |  | 
                                    
                    
                        | 4 5 |  | 
                                    
                    
                        | 4 8 |  | 
                                    
                    
                        | 4 97 |  | 
                                    
                    
                        | 5 |  | 
                                    
                    
                        | 5 97 |  | 
                                    
                    
                        | 6 |  | 
                                    
                    
                        | 7 |  | 
                                    
                    
                        | 8 |  | 
                                    
                    
                        | 8 97 |  | 
                                    
                    
                        | 97 |  | 
                            
            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.