| Value | Category | 
                                    
                    
                        | _1.000 |  | 
                                    
                    
                        | _1.200 |  | 
                                    
                    
                        | _1.500 |  | 
                                    
                    
                        | _1.600 |  | 
                                    
                    
                        | _1.700 |  | 
                                    
                    
                        | _1.850 |  | 
                                    
                    
                        | _2.000 |  | 
                                    
                    
                        | _2.100 |  | 
                                    
                    
                        | _2.250 |  | 
                                    
                    
                        | _2.300 |  | 
                                    
                    
                        | _2.500 |  | 
                                    
                    
                        | _3.000 |  | 
                                    
                    
                        | _3.400 |  | 
                                    
                    
                        | _3.500 |  | 
                                    
                    
                        | _3.600 |  | 
                                    
                    
                        | _3.700 |  | 
                                    
                    
                        | _3.800 |  | 
                                    
                    
                        | _4.000 |  | 
                                    
                    
                        | _4.200 |  | 
                                    
                    
                        | _5.500 |  | 
                            
            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.