| Value | Category |
|---|---|
| 13 | Dirt/Tapia |
| 14 | Tapia |
| 24 | Plywood |
| 25 | Carton |
| 26 | Reused wood |
| 27 | Galvanized iron/Aluzinc |
| 31 | Concrete |
| 32 | Stone with mortar |
| 33 | Bricks |
| 34 | Concrete blocks |
| 36 | Wood (e.g. cedar) |
| 37 | Galvanized iron/Aluzinc |
| 38 | Hollow clay blocks |
| 39 | Hollow clay or concrete blocks (plastered) |
| 96 | Other |
| 99 | missing |
| Sysmiss |