| Value | Category | Cases | |
|---|---|---|---|
| 1 | Brick | 49 |
12.2%
|
| 2 | Concrete | 1 |
0.2%
|
| 3 | Unbaked brick | 4 |
1%
|
| 4 | Wood | 211 |
52.6%
|
| 5 | Bamboo | 127 |
31.7%
|
| 6 | Tin | 3 |
0.7%
|
| 7 | Mud | 0 |
0%
|
| 8 | Other, specify | 6 |
1.5%
|
| Sysmiss | 3 |