| Value | Category | Cases | |
|---|---|---|---|
| 1 | stone | 958 |
33.6%
|
| 2 | Cement or bricks | 1519 |
53.3%
|
| 3 | Stone and Cement | 345 |
12.1%
|
| 4 | other | 28 |
1%
|
| Sysmiss | 1 |