| Value | Category | 
                                    
                    
                        | 00 | NIU (not in universe) | 
                                    
                    
                        | 10 | Masonry, concrete, clay tile, or tiles of unspecified type | 
                                    
                    
                        | 11 | Concrete or cement | 
                                    
                    
                        | 12 | Reinforced concrete (slab) | 
                                    
                    
                        | 13 | Cement or sheet metal | 
                                    
                    
                        | 14 | Tile, unspecified material | 
                                    
                    
                        | 15 | Clay tile | 
                                    
                    
                        | 16 | Tile or cement | 
                                    
                    
                        | 17 | Modern tiles, industrial | 
                                    
                    
                        | 18 | Traditional tiles, locally made | 
                                    
                    
                        | 19 | Tile or flat stone | 
                                    
                    
                        | 20 | Tile, unspecified or mixed materials | 
                                    
                    
                        | 21 | Fibercement or plastic | 
                                    
                    
                        | 22 | Fibercement or metal sheets | 
                                    
                    
                        | 23 | Asphalt or laminate cover | 
                                    
                    
                        | 24 | Tile, cement, asphalt | 
                                    
                    
                        | 25 | Asphalt tile | 
                                    
                    
                        | 26 | Slate or tile | 
                                    
                    
                        | 27 | Slate or asbestos | 
                                    
                    
                        | 28 | Asbestos | 
                                    
                    
                        | 29 | Adobe | 
                                    
                    
                        | 30 | Tiles or wood planks | 
                                    
                    
                        | 31 | Roofing shingles | 
                                    
                    
                        | 32 | Tar paper | 
                                    
                    
                        | 33 | Metal | 
                                    
                    
                        | 34 | Sheet metal | 
                                    
                    
                        | 35 | Zinc or tin | 
                                    
                    
                        | 36 | Tin | 
                                    
                    
                        | 37 | Sheet metal or other sheet material | 
                                    
                    
                        | 38 | Sheet metal, tile, slate | 
                                    
                    
                        | 40 | Wood and other plant materials | 
                                    
                    
                        | 41 | Wood | 
                                    
                    
                        | 42 | Wood, including bamboo | 
                                    
                    
                        | 43 | Bamboo | 
                                    
                    
                        | 44 | Cogon, nipa, anahaw | 
                                    
                    
                        | 45 | Thatch (straw, grass, leaves, palm, etc.) | 
                                    
                    
                        | 46 | Cane, wood, straw | 
                                    
                    
                        | 47 | Grass or straw | 
                                    
                    
                        | 48 | Papyrus | 
                                    
                    
                        | 49 | Banana leaves or fiber | 
                                    
                    
                        | 50 | Palm or makuti | 
                                    
                    
                        | 51 | Straw, bamboo, polythene | 
                                    
                    
                        | 52 | Wood with clay | 
                                    
                    
                        | 53 | Grass and mud | 
                                    
                    
                        | 54 | Rustic mat | 
                                    
                    
                        | 60 | Mud or earth | 
                                    
                    
                        | 61 | Clay | 
                                    
                    
                        | 70 | Cardboard, scrap, and miscellaneous materials | 
                                    
                    
                        | 71 | Discarded or scrap material | 
                                    
                    
                        | 72 | Cardboard | 
                                    
                    
                        | 73 | Plastic, tarpaulin | 
                                    
                    
                        | 80 | Other, unspecified | 
                                    
                    
                        | 90 | No roof | 
                                    
                    
                        | 99 | Unknown/missing | 
                            
            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.