| Valor | Categoría | Casos | |
|---|---|---|---|
| 1 | hormigón/ losa/ cemento? | 3673 |
31.9%
|
| 2 | asbesto (eternit)? | 1760 |
15.3%
|
| 3 | zinc? | 5197 |
45.1%
|
| 4 | teja? | 830 |
7.2%
|
| 5 | palma/ paja/ hoja? | 32 |
0.3%
|
| 6 | otra, cuál | 36 |
0.3%
|