| 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 |