| Value | Category | Cases | |
|---|---|---|---|
| 1 | Fired brick/stone | 1562 |
8.1%
|
| 2 | Concrete/cement | 624 |
3.2%
|
| 3 | Mud bricks/mud | 12174 |
63%
|
| 4 | Stone/mud | 4809 |
24.9%
|
| 5 | Other | 146 |
0.8%
|
| 11 | .A | 40 | |
| Sysmiss | 483 |