| Value | Category | 
                                    
                    
                        | 1 | Head | 
                                    
                    
                        | 2 | Spouse/partner | 
                                    
                    
                        | 3 | Child | 
                                    
                    
                        | 4 | Other relative | 
                                    
                    
                        | 5 | Non-relative | 
                                    
                    
                        | 6 | Other relative or non-relative | 
                                    
                    
                        | 9 | Unknown | 
                            
            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.