| Value | Category | Cases | |
|---|---|---|---|
| 1 | Clean stone | 818 |
22.7%
|
| 2 | Stone and cement | 670 |
18.6%
|
| 3 | Old stone | 213 |
5.9%
|
| 4 | Concrete block | 1764 |
48.9%
|
| 5 | Reinforced concrete | 112 |
3.1%
|
| 6 | Mud | 2 |
0.1%
|
| 7 | Fabric/Animal skin/Sackcloth | 12 |
0.3%
|
| 8 | Other, specify | 14 |
0.4%
|
| Sysmiss | 2 |