| Value | Category | Cases | |
|---|---|---|---|
| 1 | rcc/rbc | 20925 |
28.3%
|
| 2 | wood/bamboo | 36532 |
49.4%
|
| 3 | sheet/cement/iron | 12965 |
17.5%
|
| 4 | others | 3522 |
4.8%
|