| Value | Category | 
                                    
                    
                        | 101 | 1 Month | 
                                    
                    
                        | 103 |  | 
                                    
                    
                        | 104 |  | 
                                    
                    
                        | 105 |  | 
                                    
                    
                        | 106 |  | 
                                    
                    
                        | 110 |  | 
                                    
                    
                        | 128 |  | 
                                    
                    
                        | 201 | 1 Year | 
                                    
                    
                        | 202 |  | 
                                    
                    
                        | 203 |  | 
                                    
                    
                        | 204 |  | 
                                    
                    
                        | 205 |  | 
                                    
                    
                        | 206 |  | 
                                    
                    
                        | 207 |  | 
                                    
                    
                        | 208 |  | 
                                    
                    
                        | 209 |  | 
                                    
                    
                        | 210 |  | 
                                    
                    
                        | 212 |  | 
                                    
                    
                        | 997 | Inconsistent | 
                                    
                    
                        | 998 | Not sure, DK | 
                                    
                    
                        | 999 |  | 
                                    
                    
                        | 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.