| Value | Category | Cases | |
|---|---|---|---|
| 1 | Ceramic | 279 |
2.4%
|
| 2 | Tile/Bulat | 520 |
4.5%
|
| 3 | Burnt brics and cement | 332 |
2.9%
|
| 4 | Earth | 10290 |
90%
|
| 5 | Other | 17 |
0.1%
|
| Sysmiss | 515 |