| Value | Category | Cases | |
|---|---|---|---|
| 1 | SAND | 50 |
2.5%
|
| 2 | SMOOTHED MUD | 1239 |
62.3%
|
| 3 | SMOOTH CEMENT | 692 |
34.8%
|
| 4 | WOOD | 1 |
0.1%
|
| 5 | TILE | 7 |
0.4%
|
| 6 | OTHER (SPECIFY) | 0 |
0%
|
| Sysmiss | 1 |