| Value | Category | Cases | |
|---|---|---|---|
| 1 | rcc/rbc | 17940 |
23.8%
|
| 2 | wood/bamboo | 28836 |
38.2%
|
| 3 | sheet/cement/iron | 3099 |
4.1%
|
| 4 | garder/t-iron | 25052 |
33.2%
|
| 5 | others | 589 |
0.8%
|