| Value | Category | 
                                    
                    
                        | 1 | urban 94, urban 99 | 
                                    
                    
                        | 2 | rural 94, rural 99 | 
                                    
                    
                        | 3 | rural 94 to urban 99 | 
                                    
                    
                        | 4 | urban 94 to rural 99 | 
                                    
                    
                        | 97 | not born in 94 | 
                                    
                    
                        | 99 | dont know | 
                            
            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.