| Value | Category | Cases | |
|---|---|---|---|
| 0 | 1 |
0%
|
|
| 1 | Mud | 254 |
9.1%
|
| 2 | Stones | 154 |
5.5%
|
| 3 | Wood | 52 |
1.9%
|
| 4 | Bricks | 1020 |
36.6%
|
| 5 | Cement b | 1266 |
45.4%
|
| 6 | Other | 39 |
1.4%
|
| Sysmiss | 4261 |