| Value | Category | 
                                    
                    
                        | 0 |  | 
                                    
                    
                        | 1000 |  | 
                                    
                    
                        | 1500 |  | 
                                    
                    
                        | 2400 |  | 
                                    
                    
                        | 5000 |  | 
                                    
                    
                        | 6000 |  | 
                                    
                    
                        | 9000 |  | 
                                    
                    
                        | 9600 |  | 
                                    
                    
                        | 10000 |  | 
                                    
                    
                        | 20000 |  | 
                                    
                    
                        | 25000 |  | 
                                    
                    
                        | 29000 |  | 
                                    
                    
                        | 100000 |  | 
                                    
                    
                        | 228177 |  | 
                                    
                    
                        | 300000 |  | 
                                    
                    
                        | 426305 |  | 
                            
            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.