| Valor | Categoría | Casos | |
|---|---|---|---|
| 1 | hormigón/losa/cemento? | 13684 |
31.6%
|
| 2 | asbesto(eternit)? | 5234 |
12.1%
|
| 3 | zinc? | 21321 |
49.2%
|
| 4 | teja? | 2683 |
6.2%
|
| 5 | palma/paja/hoja? | 270 |
0.6%
|
| 6 | otro, cuál? | 119 |
0.3%
|