| Value | Category | 
                                    
                    
                        | 1 | Less than 20 square metres | 
                                    
                    
                        | 2 | 20-39m² square metres | 
                                    
                    
                        | 3 | 40-69m² square metres | 
                                    
                    
                        | 4 | 70-99m² square metres | 
                                    
                    
                        | 5 | Hejuru ya 100m² square metres | 
                            
            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.