| Value | Category | Cases | |
|---|---|---|---|
| bamboo | 19 |
1%
|
|
| cement | 24 |
1.2%
|
|
| iron | 1451 |
74.4%
|
|
| other | 19 |
1%
|
|
| palm | 252 |
12.9%
|
|
| plastic | 1 |
0.1%
|
|
| sod | 175 |
9%
|
|
| tile | 8 |
0.4%
|