| Value | Category | Cases | |
|---|---|---|---|
| 1 | rcc/rbc | 7444 |
30%
|
| 2 | wood/bamboo | 6921 |
27.9%
|
| 3 | sheet/cement/iron | 808 |
3.3%
|
| 4 | grader/t iron | 9461 |
38.1%
|
| 5 | others (specify) | 175 |
0.7%
|