| Value | Category | 
                                    
                    
                        | 0 |  | 
                                    
                    
                        | 50 |  | 
                                    
                    
                        | 100 |  | 
                                    
                    
                        | 200 |  | 
                                    
                    
                        | 300 |  | 
                                    
                    
                        | 350 |  | 
                                    
                    
                        | 450 |  | 
                                    
                    
                        | 500 |  | 
                                    
                    
                        | 700 |  | 
                                    
                    
                        | 800 |  | 
                                    
                    
                        | 1000 |  | 
                                    
                    
                        | 1500 |  | 
                                    
                    
                        | 1700 |  | 
                                    
                    
                        | 1800 |  | 
                                    
                    
                        | 2000 |  | 
                                    
                    
                        | 2500 |  | 
                                    
                    
                        | 2800 |  | 
                                    
                    
                        | 3000 |  | 
                                    
                    
                        | 3500 |  | 
                                    
                    
                        | 5000 |  | 
                                    
                    
                        | 7000 |  | 
                                    
                    
                        | 8000 |  | 
                                    
                    
                        | 10000 |  | 
                                    
                    
                        | 13850 |  | 
                                    
                    
                        | 30000 |  | 
                                    
                    
                        | 46000 |  | 
                                    
                    
                        | 57000 |  | 
                                    
                    
                        | 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.