| Value | Category |
|---|---|
| 11 | Natural Floor Earth / sand |
| 21 | Wood planks |
| 22 | Palm / Bamboo |
| 23 | Stone |
| 31 | Parquet or polished wood |
| 32 | Vinyl /Asphalt strips |
| 33 | Ceramic tiles/ marble tiles/ porcelain |
| 34 | Cement/ Concrete |
| 36 | Terrazzo |
| 37 | Burnt Bricks |
| 96 | Other |
| 99 | Missing |
| Sysmiss |