| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 1 | Metal, aluminum, tin or zinc | 896 |
74.7%
|
| 2 | Tiles | 125 |
10.4%
|
| 3 | Shingles | 0 |
0%
|
| 4 | Thatch or grass | 83 |
6.9%
|
| 5 | Plastic sheets | 20 |
1.7%
|
| 6 | Asbestos | 3 |
0.3%
|
| 7 | Multiple materials | 6 |
0.5%
|
| 8 | Concrete | 54 |
4.5%
|
| 9 | Some other material | 13 |
1.1%
|
| 10 | Could not tell / could not see | 0 |
0%
|