| Value | Category | Cases | Weighted | |
|---|---|---|---|---|
| 1 | Reinforced concrete | 13561 | 6349 |
96.6%
|
| 2 | Iron | 77 | 21 |
0.3%
|
| 4 | Wood | 0 | 0 |
0%
|
| 5 | Tarp/cloth | 146 | 18 |
0.3%
|
| 6 | Prefabricated unit | 3333 | 185 |
2.8%
|
| 97 | Other -- specify | 9 | 1 |
0%
|