| Value | Category | 
                                    
                    
                        | 00 | NIU (not in universe) | 
                                    
                    
                        | 01 | Heavy materials in walls, resistant roof and floors | 
                                    
                    
                        | 02 | Heavy materials in walls, lightweight roof, and resistant floors | 
                                    
                    
                        | 03 | Heavy materials in walls, not resistant roof or floors | 
                                    
                    
                        | 04 | Heavy materials in walls, lightweight roof, and not resistant floors | 
                                    
                    
                        | 05 | Lightweight materials in walls, resistant roof and floors | 
                                    
                    
                        | 06 | Lightweight materials in walls, not resistant roof or floors | 
                                    
                    
                        | 07 | Clay or adobe walls, lightweight roof, and resistant floors | 
                                    
                    
                        | 08 | Clay or adobe walls, lightweight roof, and not resistant floors | 
                                    
                    
                        | 09 | Waste materials in walls or roof | 
                                    
                    
                        | 10 | Other combinations of materials | 
                            
            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.