| Value | Category |
|---|---|
| 11 | Earth / Sand |
| 12 | Dung |
| 21 | Wood planks |
| 22 | Palm / Bamboo |
| 31 | Parquet or polished wood |
| 32 | Vinyl or asphalt strip |
| 33 | Ceramic tiles |
| 34 | Cement |
| 35 | Carpet |
| 36 | Tile or wooden Mosaico |
| 37 | Brick red (Dfrp) |
| 41 | Carpeting cloth |
| 96 | Other |
| 99 | Missing |
| Sysmiss |