| Value | Category | 
                                    
                    
                        | 0 |  | 
                                    
                    
                        | 1 |  | 
                                    
                    
                        | 4 |  | 
                                    
                    
                        | 7 |  | 
                                    
                    
                        | 8 |  | 
                                    
                    
                        | 9 |  | 
                                    
                    
                        | 10 |  | 
                                    
                    
                        | 11 |  | 
                                    
                    
                        | 15 |  | 
                                    
                    
                        | 20 |  | 
                                    
                    
                        | 22 |  | 
                                    
                    
                        | 26 |  | 
                                    
                    
                        | 27 |  | 
                                    
                    
                        | 29 |  | 
                                    
                    
                        | 30 |  | 
                                    
                    
                        | 32 |  | 
                                    
                    
                        | 34 |  | 
                                    
                    
                        | 40 |  | 
                                    
                    
                        | 45 |  | 
                                    
                    
                        | 50 |  | 
                                    
                    
                        | 60 |  | 
                                    
                    
                        | 63 |  | 
                                    
                    
                        | 70 |  | 
                                    
                    
                        | 71 |  | 
                                    
                    
                        | 87 |  | 
                                    
                    
                        | 90 |  | 
                                    
                    
                        | 99 |  | 
                                    
                    
                        | 100 |  | 
                                    
                    
                        | 102 |  | 
                                    
                    
                        | 105 |  | 
                                    
                    
                        | 120 |  | 
                                    
                    
                        | 150 |  | 
                                    
                    
                        | 164 |  | 
                                    
                    
                        | 165 |  | 
                                    
                    
                        | 170 |  | 
                                    
                    
                        | 180 |  | 
                                    
                    
                        | 200 |  | 
                                    
                    
                        | 218 |  | 
                                    
                    
                        | 230 |  | 
                                    
                    
                        | 240 |  | 
                                    
                    
                        | 248 |  | 
                                    
                    
                        | 250 |  | 
                                    
                    
                        | 286 |  | 
                                    
                    
                        | 293 |  | 
                                    
                    
                        | 300 |  | 
                                    
                    
                        | 324 |  | 
                                    
                    
                        | 345 |  | 
                                    
                    
                        | 360 |  | 
                                    
                    
                        | 400 |  | 
                                    
                    
                        | 410 |  | 
                                    
                    
                        | 420 |  | 
                                    
                    
                        | 428 |  | 
                                    
                    
                        | 443 |  | 
                                    
                    
                        | 450 |  | 
                                    
                    
                        | 500 |  | 
                                    
                    
                        | 539 |  | 
                                    
                    
                        | 562 |  | 
                                    
                    
                        | 564 |  | 
                                    
                    
                        | 580 |  | 
                                    
                    
                        | 600 |  | 
                                    
                    
                        | 612 |  | 
                                    
                    
                        | 615 |  | 
                                    
                    
                        | 626 |  | 
                                    
                    
                        | 650 |  | 
                                    
                    
                        | 700 |  | 
                                    
                    
                        | 782 |  | 
                                    
                    
                        | 800 |  | 
                                    
                    
                        | 850 |  | 
                                    
                    
                        | 873 |  | 
                                    
                    
                        | 900 |  | 
                                    
                    
                        | 956 |  | 
                                    
                    
                        | 990 |  | 
                                    
                    
                        | 1000 |  | 
                                    
                    
                        | 1040 |  | 
                                    
                    
                        | 1055 |  | 
                                    
                    
                        | 1082 |  | 
                                    
                    
                        | 1100 |  | 
                                    
                    
                        | 1138 |  | 
                                    
                    
                        | 1200 |  | 
                                    
                    
                        | 1329 |  | 
                                    
                    
                        | 1500 |  | 
                                    
                    
                        | 1800 |  | 
                                    
                    
                        | 1857 |  | 
                                    
                    
                        | 1900 |  | 
                                    
                    
                        | 1962 |  | 
                                    
                    
                        | 2000 |  | 
                                    
                    
                        | 2300 |  | 
                                    
                    
                        | 2500 |  | 
                                    
                    
                        | 2620 |  | 
                                    
                    
                        | 2658 |  | 
                                    
                    
                        | 2950 |  | 
                                    
                    
                        | 3000 |  | 
                                    
                    
                        | 3500 |  | 
                                    
                    
                        | 3750 |  | 
                                    
                    
                        | 7600 |  | 
                                    
                    
                        | 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.