Value | Category | Cases | |
---|---|---|---|
1 | Metal, aluminum, tin or zinc | 10 |
0.8%
|
2 | Tiles | 12 |
1%
|
3 | Shingles | 2 |
0.2%
|
4 | Thatch or grass | 0 |
0%
|
5 | Plastic sheets | 0 |
0%
|
6 | Asbestos | 0 |
0%
|
7 | Multiple materials | 58 |
4.8%
|
8 | Concrete | 989 |
82.4%
|
9 | Some other material | 5 |
0.4%
|
10 | Could not tell / could not see | 124 |
10.3%
|