| Value | Category | 
                                    
                    
                        | 0 |  | 
                                    
                    
                        | 0.001 |  | 
                                    
                    
                        | 0.002 |  | 
                                    
                    
                        | 0.003 |  | 
                                    
                    
                        | 0.005 |  | 
                                    
                    
                        | 0.01 |  | 
                                    
                    
                        | 0.02 |  | 
                                    
                    
                        | 0.04 |  | 
                                    
                    
                        | 0.05 |  | 
                                    
                    
                        | 0.06 |  | 
                                    
                    
                        | 0.07 |  | 
                                    
                    
                        | 0.08 |  | 
                                    
                    
                        | 0.1 |  | 
                                    
                    
                        | 0.12 |  | 
                                    
                    
                        | 0.14 |  | 
                                    
                    
                        | 0.2 |  | 
                                    
                    
                        | 0.21 |  | 
                                    
                    
                        | 0.4 |  | 
                                    
                    
                        | 0.88 |  | 
                                    
                    
                        | 1.5 |  | 
                                    
                    
                        | 3 |  | 
                                    
                    
                        | 19 |  | 
                                    
                    
                        | 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.