| Value | Category | 
                                    
                    
                        | 120 |  | 
                                    
                    
                        | 200 |  | 
                                    
                    
                        | 600 |  | 
                                    
                    
                        | 680 |  | 
                                    
                    
                        | 800 |  | 
                                    
                    
                        | 880 |  | 
                                    
                    
                        | 900 |  | 
                                    
                    
                        | 1100 |  | 
                                    
                    
                        | 1260 |  | 
                                    
                    
                        | 1350 |  | 
                                    
                    
                        | 1500 |  | 
                                    
                    
                        | 2320 |  | 
                                    
                    
                        | 3000 |  | 
                                    
                    
                        | 4000 |  | 
                                    
                    
                        | 6800 |  | 
                                    
                    
                        | 9999998 | 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.