| Value | Category | Cases | Weighted | |
|---|---|---|---|---|
| 1 | Straw | 506 | 1646379 |
5.2%
|
| 2 | Mud | 57 | 199428 |
0.6%
|
| 3 | Wood | 1870 | 5680550 |
17.9%
|
| 4 | Steel (galvanized) | 51 | 103375 |
0.3%
|
| 5 | Reinforced concrete | 8265 | 23572585 |
74.2%
|
| 6 | Tiles/wooden planks | 144 | 482386 |
1.5%
|
| 7 | Other | 23 | 83215 |
0.3%
|