| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 1 | Metal, aluminum, tin or zinc | 1661 |
69.2%
|
| 2 | Tiles | 7 |
0.3%
|
| 3 | Shingles | 8 |
0.3%
|
| 4 | Thatch or grass | 601 |
25%
|
| 5 | Plastic sheets | 63 |
2.6%
|
| 6 | Asbestos | 10 |
0.4%
|
| 7 | Multiple materials | 32 |
1.3%
|
| 8 | Concrete | 1 |
0%
|
| 9 | Some other material | 17 |
0.7%
|
| 10 | Could not tell / could not see | 0 |
0%
|