| Value | Category | Cases | |
|---|---|---|---|
| 1 | rcc/rbc | 10880 |
13.8%
|
| 2 | wood/bamboo | 32506 |
41.3%
|
| 3 | sheet/iron/cement | 2678 |
3.4%
|
| 4 | t-r/grater / wood | 32042 |
40.7%
|
| 5 | other | 529 |
0.7%
|