| Value | Category | 
                                    
                    
                        | 639 |  | 
                                    
                    
                        | 740 |  | 
                                    
                    
                        | 800 |  | 
                                    
                    
                        | 939 |  | 
                                    
                    
                        | 1000 |  | 
                                    
                    
                        | 1100 |  | 
                                    
                    
                        | 1250 |  | 
                                    
                    
                        | 1281 |  | 
                                    
                    
                        | 1367 |  | 
                                    
                    
                        | 1460 |  | 
                                    
                    
                        | 1500 |  | 
                                    
                    
                        | 1800 |  | 
                                    
                    
                        | 1867 |  | 
                                    
                    
                        | 2100 |  | 
                                    
                    
                        | 2301 |  | 
                                    
                    
                        | 2400 |  | 
                                    
                    
                        | 2500 |  | 
                                    
                    
                        | 3000 |  | 
                                    
                    
                        | 3400 |  | 
                                    
                    
                        | 4000 |  | 
                                    
                    
                        | 4500 |  | 
                                    
                    
                        | 5000 |  | 
                                    
                    
                        | 99889988 | REFUSAL | 
                                    
                    
                        | Sysmiss |  | 
                            
            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.