| Value |
Category |
| 11 |
Dirt/earth |
| 21 |
Bamboo |
| 22 |
Wood |
| 31 |
Brick/concrete |
| 32 |
Tile |
| 33 |
Ceramic/marble/granite |
| 96 |
Other |
Warning: these figures indicate the number of cases found in the data file. They cannot be interpreted as summary statistics of the population of interest.
