| Value | 
                    Category | 
                                                                            
                                    
                    
                        | 100 | 
                        Less than a month  | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 101 | 
                          | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 102 | 
                          | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 103 | 
                          | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 104 | 
                          | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 105 | 
                          | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 106 | 
                          | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 107 | 
                          | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 108 | 
                          | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 109 | 
                          | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 110 | 
                          | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 111 | 
                          | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 201 | 
                          | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 202 | 
                          | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 203 | 
                          | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 204 | 
                          | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 205 | 
                          | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 206 | 
                          | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 207 | 
                          | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 208 | 
                          | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 209 | 
                          | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 210 | 
                          | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 211 | 
                          | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 212 | 
                          | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 299 | 
                          | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 300 | 
                          | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 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.