| Value | Category | Cases | Weighted | |
|---|---|---|---|---|
| -9 | 2 | 3160 |
0%
|
|
| 1 | Straw | 162 | 486013 |
4.1%
|
| 2 | mud | 41 | 110302 |
0.9%
|
| 3 | wood | 947 | 2876510 |
24.4%
|
| 4 | galvanised iron | 29 | 48393 |
0.4%
|
| 5 | reinforced concrete | 3593 | 8170278 |
69.2%
|
| 6 | tiles | 33 | 89354 |
0.8%
|
| 7 | other | 9 | 27736 |
0.2%
|