| Value | Category | Cases | |
|---|---|---|---|
| -7 | Not applicable | 0 |
0%
|
| 1 | Iron sheets | 1591 |
99%
|
| 2 | Tiles | 3 |
0.2%
|
| 3 | Asbestos | 1 |
0.1%
|
| 4 | Concrete | 1 |
0.1%
|
| 5 | Tin | 0 |
0%
|
| 6 | Thatch | 8 |
0.5%
|
| 97 | Other (specify) | 3 |
0.2%
|
| 888 | Don’t know | 0 |
0%
|