| Value | Category | 
                                    
                    
                        | 100 |  | 
                                    
                    
                        | 170 |  | 
                                    
                    
                        | 200 |  | 
                                    
                    
                        | 280 |  | 
                                    
                    
                        | 300 |  | 
                                    
                    
                        | 315 |  | 
                                    
                    
                        | 450 |  | 
                                    
                    
                        | 700 |  | 
                                    
                    
                        | 1200 |  | 
                                    
                    
                        | 1500 |  | 
                                    
                    
                        | 2000 |  | 
                                    
                    
                        | 4500 |  | 
                                    
                    
                        | 9000 |  | 
                                    
                    
                        | 24000 |  | 
                                    
                    
                        | 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.