| Value | Category | Cases | |
|---|---|---|---|
| 1 | Metal, aluminum, tin or zinc | 937 |
77.8%
|
| 2 | Tiles | 18 |
1.5%
|
| 3 | Shingles | 4 |
0.3%
|
| 4 | Thatch or grass | 136 |
11.3%
|
| 5 | Plastic sheets | 68 |
5.6%
|
| 6 | Asbestos | 3 |
0.2%
|
| 7 | Multiple materials | 26 |
2.2%
|
| 8 | Concrete | 7 |
0.6%
|
| 9 | Some other material | 3 |
0.2%
|
| 10 | Could not tell / could not see | 2 |
0.2%
|