| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 1 |
0%
|
| 1 | Metal, tin or zinc | 1666 |
69.4%
|
| 2 | Tiles | 17 |
0.7%
|
| 3 | Shingles | 1 |
0%
|
| 4 | Thatch or grass | 701 |
29.2%
|
| 5 | Plastic sheets | 2 |
0.1%
|
| 6 | Asbestos | 3 |
0.1%
|
| 7 | Multiple materials | 4 |
0.2%
|
| 8 | Some other material | 4 |
0.2%
|
| 9 | Could not tell/could not see | 1 |
0%
|