| Value | Category | Cases | |
|---|---|---|---|
| 1 | rcc/rbc | 23585 |
31.4%
|
| 2 | wood/bamboo | 34935 |
46.5%
|
| 3 | sheet/cement/iron | 11431 |
15.2%
|
| 4 | others | 5237 |
7%
|