| Value | Category |
|---|---|
| 10 | NATURAL |
| 11 | Earth/sand |
| 12 | Dung |
| 20 | RUDIMENTARY |
| 21 | Wood planks |
| 22 | Palm/bamboo |
| 30 | FINISHED |
| 31 | Parquet or polished wood |
| 32 | Vinyl or asphalt strips |
| 33 | Ceramic/marble/porcelain tiles/terrazo |
| 34 | Cement |
| 35 | Woolen carpet/synthetic carpet |
| 36 | Linoleum/rubber carpet |
| 96 | Other |