| Value | Category | 
                                    
                    
                        | 0 |  | 
                                    
                    
                        | 100 |  | 
                                    
                    
                        | 150 |  | 
                                    
                    
                        | 200 |  | 
                                    
                    
                        | 250 |  | 
                                    
                    
                        | 300 |  | 
                                    
                    
                        | 400 |  | 
                                    
                    
                        | 450 |  | 
                                    
                    
                        | 500 |  | 
                                    
                    
                        | 560 |  | 
                                    
                    
                        | 600 |  | 
                                    
                    
                        | 700 |  | 
                                    
                    
                        | 750 |  | 
                                    
                    
                        | 800 |  | 
                                    
                    
                        | 900 |  | 
                                    
                    
                        | 1000 |  | 
                                    
                    
                        | 1200 |  | 
                                    
                    
                        | 1300 |  | 
                                    
                    
                        | 1500 |  | 
                                    
                    
                        | 1600 |  | 
                                    
                    
                        | 1800 |  | 
                                    
                    
                        | 1900 |  | 
                                    
                    
                        | 2000 |  | 
                                    
                    
                        | 2100 |  | 
                                    
                    
                        | 2150 |  | 
                                    
                    
                        | 2400 |  | 
                                    
                    
                        | 2450 |  | 
                                    
                    
                        | 2500 |  | 
                                    
                    
                        | 2550 |  | 
                                    
                    
                        | 2700 |  | 
                                    
                    
                        | 2800 |  | 
                                    
                    
                        | 3000 |  | 
                                    
                    
                        | 3400 |  | 
                                    
                    
                        | 3500 |  | 
                                    
                    
                        | 3600 |  | 
                                    
                    
                        | 4000 |  | 
                                    
                    
                        | 4200 |  | 
                                    
                    
                        | 4500 |  | 
                                    
                    
                        | 4800 |  | 
                                    
                    
                        | 5000 |  | 
                                    
                    
                        | 5400 |  | 
                                    
                    
                        | 5700 |  | 
                                    
                    
                        | 6000 |  | 
                                    
                    
                        | 7000 |  | 
                                    
                    
                        | 7200 |  | 
                                    
                    
                        | 7500 |  | 
                                    
                    
                        | 7800 |  | 
                                    
                    
                        | 8000 |  | 
                                    
                    
                        | 8700 |  | 
                                    
                    
                        | 9000 |  | 
                                    
                    
                        | 10000 |  | 
                                    
                    
                        | 12000 |  | 
                                    
                    
                        | 13000 |  | 
                                    
                    
                        | 14000 |  | 
                                    
                    
                        | 15000 |  | 
                                    
                    
                        | 16000 |  | 
                                    
                    
                        | 17000 |  | 
                                    
                    
                        | 17500 |  | 
                                    
                    
                        | 18000 |  | 
                                    
                    
                        | 19000 |  | 
                                    
                    
                        | 20000 |  | 
                                    
                    
                        | 21000 |  | 
                                    
                    
                        | 24000 |  | 
                                    
                    
                        | 31050 |  | 
                                    
                    
                        | 32000 |  | 
                                    
                    
                        | 35000 |  | 
                                    
                    
                        | 40000 |  | 
                                    
                    
                        | 52000 |  | 
                                    
                    
                        | 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.