| Value | Category | Cases | |
|---|---|---|---|
| 1 | Metal, aluminum, tin or zinc | 169 |
14.1%
|
| 2 | Tiles | 9 |
0.8%
|
| 3 | Shingles | 22 |
1.8%
|
| 4 | Thatch or grass | 327 |
27.3%
|
| 5 | Plastic sheets | 40 |
3.3%
|
| 6 | Asbestos | 18 |
1.5%
|
| 7 | Multiple materials | 387 |
32.3%
|
| 8 | Concrete | 12 |
1%
|
| 9 | Some other material | 214 |
17.8%
|
| 10 | Could not tell / could not see | 2 |
0.2%
|