| Value | Category | Cases | |
|---|---|---|---|
| 1 | grass | 286 |
5.9%
|
| 2 | mud | 1743 |
35.7%
|
| 3 | compacted earth | 155 |
3.2%
|
| 4 | mud brick (unfired) | 316 |
6.5%
|
| 5 | burnt bricks | 103 |
2.1%
|
| 6 | concrete | 2204 |
45.1%
|
| 7 | wood | 53 |
1.1%
|
| 8 | iron sheets | 16 |
0.3%
|
| 9 | other (specify) | 6 |
0.1%
|
| Sysmiss | 47 |