| Value | Category | 
                                    
                    
                        | 0 |  | 
                                    
                    
                        | 1 |  | 
                                    
                    
                        | 2 |  | 
                                    
                    
                        | 3 |  | 
                                    
                    
                        | 4 |  | 
                                    
                    
                        | 5 |  | 
                                    
                    
                        | 6 |  | 
                                    
                    
                        | 7 |  | 
                                    
                    
                        | 8 |  | 
                                    
                    
                        | 9 |  | 
                                    
                    
                        | 10 |  | 
                                    
                    
                        | 12 |  | 
                                    
                    
                        | 13 |  | 
                                    
                    
                        | 15 |  | 
                                    
                    
                        | 20 |  | 
                                    
                    
                        | 24 |  | 
                                    
                    
                        | 30 |  | 
                                    
                    
                        | 31 |  | 
                                    
                    
                        | 37 |  | 
                                    
                    
                        | 50 |  | 
                                    
                    
                        | 100 |  | 
                                    
                    
                        | 150 |  | 
                                    
                    
                        | 190 |  | 
                                    
                    
                        | 200 |  | 
                                    
                    
                        | 203 |  | 
                                    
                    
                        | 250 |  | 
                                    
                    
                        | 300 |  | 
                                    
                    
                        | 310 |  | 
                                    
                    
                        | 350 |  | 
                                    
                    
                        | 400 |  | 
                                    
                    
                        | 480 |  | 
                                    
                    
                        | 500 |  | 
                                    
                    
                        | 600 |  | 
                                    
                    
                        | 650 |  | 
                                    
                    
                        | 700 |  | 
                                    
                    
                        | 750 |  | 
                                    
                    
                        | 800 |  | 
                                    
                    
                        | 900 |  | 
                                    
                    
                        | 1000 |  | 
                                    
                    
                        | 1030 |  | 
                                    
                    
                        | 1100 |  | 
                                    
                    
                        | 1200 |  | 
                                    
                    
                        | 1500 |  | 
                                    
                    
                        | 1550 |  | 
                                    
                    
                        | 1800 |  | 
                                    
                    
                        | 2000 |  | 
                                    
                    
                        | 2100 |  | 
                                    
                    
                        | 2300 |  | 
                                    
                    
                        | 2500 |  | 
                                    
                    
                        | 2700 |  | 
                                    
                    
                        | 2900 |  | 
                                    
                    
                        | 3000 |  | 
                                    
                    
                        | 3100 |  | 
                                    
                    
                        | 4000 |  | 
                                    
                    
                        | 4500 |  | 
                                    
                    
                        | 5000 |  | 
                                    
                    
                        | 5500 |  | 
                                    
                    
                        | 5800 |  | 
                                    
                    
                        | 6000 |  | 
                                    
                    
                        | 7000 |  | 
                                    
                    
                        | 8000 |  | 
                                    
                    
                        | 9000 |  | 
                                    
                    
                        | 9200 |  | 
                                    
                    
                        | 10000 |  | 
                                    
                    
                        | 11000 |  | 
                                    
                    
                        | 12000 |  | 
                                    
                    
                        | 14000 |  | 
                                    
                    
                        | 15000 |  | 
                                    
                    
                        | 18000 |  | 
                                    
                    
                        | 20000 |  | 
                                    
                    
                        | 21000 |  | 
                                    
                    
                        | 23000 |  | 
                                    
                    
                        | 25000 |  | 
                                    
                    
                        | 30000 |  | 
                                    
                    
                        | 40000 |  | 
                                    
                    
                        | 70700 |  | 
                                    
                    
                        | 71000 |  | 
                                    
                    
                        | 89999 |  | 
                                    
                    
                        | 97998 |  | 
                                    
                    
                        | 99938 |  | 
                                    
                    
                        | 99998 |  | 
                                    
                    
                        | 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.