| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 1 | Metal, tin or zinc | 1878 |
78.3%
|
| 2 | Tiles | 55 |
2.3%
|
| 3 | Shingles | 28 |
1.2%
|
| 4 | Thatch or grass | 273 |
11.4%
|
| 5 | Plastic sheets | 6 |
0.3%
|
| 6 | Asbestos | 105 |
4.4%
|
| 7 | Multiple materials | 13 |
0.5%
|
| 8 | Some other material | 37 |
1.5%
|
| 9 | Could not tell/could not see | 5 |
0.2%
|