| Value | Category | 
                                    
                    
                        | 300 |  | 
                                    
                    
                        | 500 |  | 
                                    
                    
                        | 1000 |  | 
                                    
                    
                        | 1750 |  | 
                                    
                    
                        | 2000 |  | 
                                    
                    
                        | 2700 |  | 
                                    
                    
                        | 3400 |  | 
                                    
                    
                        | 3768 |  | 
                                    
                    
                        | 8700 |  | 
                                    
                    
                        | 12000 |  | 
                                    
                    
                        | 20000 |  | 
                                    
                    
                        | 99889988 | REFUSAL | 
                                    
                    
                        | 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.