| Value | Category | Cases | |
|---|---|---|---|
| 1 | Sand | 26 |
2%
|
| 2 | Smoothed mud | 580 |
44.1%
|
| 3 | Smooth cement | 681 |
51.7%
|
| 4 | Tile | 26 |
2%
|
| 5 | Other (Specify) | 3 |
0.2%
|
| Sysmiss | 2 |