| Value | Category | Cases | |
|---|---|---|---|
| 1 | Marble/ceramic | 56 |
1.3%
|
| 2 | Floor tille/cement | 408 |
9.1%
|
| 3 | Concrete/brick | 1221 |
27.3%
|
| 4 | Wood | 39 |
0.9%
|
| 5 | Bamboo | 78 |
1.7%
|
| 6 | Earth/clay | 2651 |
59.2%
|
| 7 | Other | 24 |
0.5%
|