| Value | Category | 
                                    
                    
                        | 000 | NIU (not in universe) | 
                                    
                    
                        | 100 | No walls | 
                                    
                    
                        | 200 | Cardboard, scrap, and miscellaneous materials | 
                                    
                    
                        | 201 | Waste, scrap, or discarded material | 
                                    
                    
                        | 202 | Fabric or discarded material | 
                                    
                    
                        | 203 | Zinc, fabric, cardboard, tins, and waste material | 
                                    
                    
                        | 204 | Cardboard sheet | 
                                    
                    
                        | 205 | Plastic sheeting, cardboard | 
                                    
                    
                        | 206 | Makeshift, salvaged, or improvised materials | 
                                    
                    
                        | 207 | Reused materials | 
                                    
                    
                        | 300 | Wood | 
                                    
                    
                        | 310 | Rough wood | 
                                    
                    
                        | 320 | Wood, fibercement or plywood | 
                                    
                    
                        | 330 | Wood, formica, and other | 
                                    
                    
                        | 340 | Wood or bamboo | 
                                    
                    
                        | 350 | Wood or straw | 
                                    
                    
                        | 400 | Other plant-based materials | 
                                    
                    
                        | 401 | Plantain leaves and similar material | 
                                    
                    
                        | 402 | Bamboo or cane | 
                                    
                    
                        | 403 | Bamboo, sawali, cogon, nipa | 
                                    
                    
                        | 404 | Straw or bamboo | 
                                    
                    
                        | 405 | Grass, straw or reed | 
                                    
                    
                        | 406 | Reed, bamboo, or palm | 
                                    
                    
                        | 407 | Cane, palm leaves, logs | 
                                    
                    
                        | 408 | Palm leaves or palm planks | 
                                    
                    
                        | 409 | Bark, sticks, or cane | 
                                    
                    
                        | 500 | Masonry, stone, cement, adobe, metal, glass, and other fabricated materials (sometimes mixed with wood) | 
                                    
                    
                        | 501 | Brick, block, stone, or cement | 
                                    
                    
                        | 502 | Brick, stone, concrete | 
                                    
                    
                        | 503 | Brick, stone, or substitutes (dividing panels made of reinforced concrete) | 
                                    
                    
                        | 504 | Brick, stone, or substitutes (dividing panels made of wood) | 
                                    
                    
                        | 505 | Brick or tile | 
                                    
                    
                        | 506 | Brick or stone | 
                                    
                    
                        | 507 | Brick or cement block | 
                                    
                    
                        | 508 | Brick with plaster exterior | 
                                    
                    
                        | 509 | Brick without plaster exterior | 
                                    
                    
                        | 510 | Burnt or stabilized brick | 
                                    
                    
                        | 511 | Covered brick | 
                                    
                    
                        | 512 | Brick | 
                                    
                    
                        | 513 | Unburnt brick | 
                                    
                    
                        | 514 | Unburnt brick with cement | 
                                    
                    
                        | 515 | Unburnt brick with mud | 
                                    
                    
                        | 516 | Concrete | 
                                    
                    
                        | 517 | Landcrete, sandcrete | 
                                    
                    
                        | 518 | Cement blocks | 
                                    
                    
                        | 519 | Cement blocks or brick | 
                                    
                    
                        | 520 | Cement blocks or brick, unfinished | 
                                    
                    
                        | 521 | Cement and adobe bricks | 
                                    
                    
                        | 522 | Cement and stone block | 
                                    
                    
                        | 523 | Cement and tiles | 
                                    
                    
                        | 524 | Reinforced concrete, pre-cast concrete panels, or steel skeleton framed concrete | 
                                    
                    
                        | 525 | Concrete, reinforced concrete, blocks, panels | 
                                    
                    
                        | 526 | Fibercement | 
                                    
                    
                        | 527 | Adobe | 
                                    
                    
                        | 528 | Adobe walls with plaster exterior | 
                                    
                    
                        | 529 | Adobe walls without plaster exterior | 
                                    
                    
                        | 530 | Adobe with cement exterior | 
                                    
                    
                        | 531 | Wood and earth adobe | 
                                    
                    
                        | 532 | Wood and cement adobe | 
                                    
                    
                        | 533 | Mud or adobe | 
                                    
                    
                        | 534 | Pressed dirt | 
                                    
                    
                        | 535 | Clay | 
                                    
                    
                        | 536 | Coated clay/mud with sticks/cane | 
                                    
                    
                        | 537 | Clay or clay-covered sticks | 
                                    
                    
                        | 538 | Netted bamboo or cane with mud | 
                                    
                    
                        | 539 | Bundle of mud, straw, other materials | 
                                    
                    
                        | 540 | Mud with wood/wattle | 
                                    
                    
                        | 541 | Pole and mud | 
                                    
                    
                        | 542 | Mud with cement | 
                                    
                    
                        | 543 | Unfinished lathe and plaster, stucco, etc. | 
                                    
                    
                        | 544 | Stone | 
                                    
                    
                        | 545 | Hand-laid stone | 
                                    
                    
                        | 546 | Quarried stone | 
                                    
                    
                        | 547 | Cut stone and concrete | 
                                    
                    
                        | 548 | Cemented stone | 
                                    
                    
                        | 549 | Stone with clay | 
                                    
                    
                        | 550 | Blocks of light material | 
                                    
                    
                        | 551 | Prefabricated material | 
                                    
                    
                        | 552 | Asbestos | 
                                    
                    
                        | 553 | Metal or asbestos sheet | 
                                    
                    
                        | 554 | Metal or iron sheet | 
                                    
                    
                        | 555 | Metal or fibercement sheeting | 
                                    
                    
                        | 556 | Galvanized iron or aluminum | 
                                    
                    
                        | 557 | Tin | 
                                    
                    
                        | 558 | Glass | 
                                    
                    
                        | 559 | Cloth | 
                                    
                    
                        | 560 | Covintec panels | 
                                    
                    
                        | 561 | Mixed material | 
                                    
                    
                        | 562 | Mixed material: part wood; part concrete, brick, or stone | 
                                    
                    
                        | 563 | Wood plastered with clay, adobe, other materials; wood pressed panels; rolled mud bricks; etc. | 
                                    
                    
                        | 564 | Mixed material: wood or galvanized metal | 
                                    
                    
                        | 570 | Mainly permanent materials | 
                                    
                    
                        | 600 | Other material | 
                                    
                    
                        | 601 | Partition wall, lined with wood or steel | 
                                    
                    
                        | 602 | Partition wall, unlined | 
                                    
                    
                        | 999 | 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.