| Value | Category | 
                                    
                    
                        | 500 |  | 
                                    
                    
                        | 700 |  | 
                                    
                    
                        | 800 |  | 
                                    
                    
                        | 900 |  | 
                                    
                    
                        | 1000 |  | 
                                    
                    
                        | 1200 |  | 
                                    
                    
                        | 1500 |  | 
                                    
                    
                        | 2000 |  | 
                                    
                    
                        | 2428 |  | 
                                    
                    
                        | 3000 |  | 
                                    
                    
                        | 3600 |  | 
                                    
                    
                        | 4000 |  | 
                                    
                    
                        | 99999998 | 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.