| Value | Category | 
                                    
                    
                        | 0 |  | 
                                    
                    
                        | 2 |  | 
                                    
                    
                        | 3 |  | 
                                    
                    
                        | 4 |  | 
                                    
                    
                        | 5 |  | 
                                    
                    
                        | 6 |  | 
                                    
                    
                        | 8 |  | 
                                    
                    
                        | 10 |  | 
                                    
                    
                        | 13 |  | 
                                    
                    
                        | 15 |  | 
                                    
                    
                        | 16 |  | 
                                    
                    
                        | 20 |  | 
                                    
                    
                        | 23 |  | 
                                    
                    
                        | 25 |  | 
                                    
                    
                        | 30 |  | 
                                    
                    
                        | 31 |  | 
                                    
                    
                        | 41 |  | 
                                    
                    
                        | 50 |  | 
                                    
                    
                        | 65 |  | 
                                    
                    
                        | 69 |  | 
                                    
                    
                        | 75 |  | 
                                    
                    
                        | 100 |  | 
                                    
                    
                        | 134 |  | 
                                    
                    
                        | 150 |  | 
                                    
                    
                        | 200 |  | 
                                    
                    
                        | 212 |  | 
                                    
                    
                        | 250 |  | 
                                    
                    
                        | 296 |  | 
                                    
                    
                        | 356 |  | 
                                    
                    
                        | 370 |  | 
                                    
                    
                        | 430 |  | 
                                    
                    
                        | 500 |  | 
                                    
                    
                        | 841 |  | 
                                    
                    
                        | 1000 |  | 
                                    
                    
                        | 1037 |  | 
                                    
                    
                        | 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.