| Value | Category | Cases | |
|---|---|---|---|
| 1 | SAND | 89 |
2.2%
|
| 2 | SMOOTHED MUD | 2491 |
62.3%
|
| 3 | SMOOTH CEMENT | 1392 |
34.8%
|
| 4 | WOOD | 2 |
0.1%
|
| 5 | TILE | 25 |
0.6%
|
| 6 | OTHER (SPECIFY) | 0 |
0%
|
| Sysmiss | 1 |