| Value | Category | Cases | |
|---|---|---|---|
| 1 | Metal, aluminum, tin or zinc | 823 |
68.6%
|
| 2 | Tiles | 37 |
3.1%
|
| 3 | Shingles | 8 |
0.7%
|
| 4 | Thatch or grass | 140 |
11.7%
|
| 5 | Plastic sheets | 105 |
8.8%
|
| 6 | Asbestos | 2 |
0.2%
|
| 7 | Multiple materials | 9 |
0.8%
|
| 8 | Concrete | 63 |
5.3%
|
| 9 | Some other material | 13 |
1.1%
|
| 10 | Could not tell / could not see | 0 |
0%
|