| Value | Category | Cases | |
|---|---|---|---|
| 1 | Mud | 21664 |
85.2%
|
| 2 | Wooden | 28 |
0.1%
|
| 3 | Brick or stone | 506 |
2%
|
| 4 | Tiles or cement/brick | 1998 |
7.9%
|
| 5 | Ceramic/marble | 1138 |
4.5%
|
| 97 | Other | 108 |
0.4%
|