| Value | Category | Cases | |
|---|---|---|---|
| 1 | concrete | 31 |
1.5%
|
| 2 | wood | 9 |
0.4%
|
| 3 | metal plates | 215 |
10.2%
|
| 4 | roof tiles/shingles | 580 |
27.6%
|
| 5 | asbestos | 599 |
28.5%
|
| 6 | corrugated iron | 469 |
22.3%
|
| 7 | cardboard | 21 |
1%
|
| 8 | plastic | 25 |
1.2%
|
| 9 | other | 150 |
7.1%
|