| Value | Category | Cases | |
|---|---|---|---|
| 1 | SAND/DIRT/STRAW | 412 |
8.7%
|
| 2 | SMOOTHED MUD | 1041 |
21.9%
|
| 3 | SMOOTH CEMENT | 3126 |
65.7%
|
| 4 | WOOD | 48 |
1%
|
| 5 | TILE | 115 |
2.4%
|
| 6 | OTHER (SPECIFY) | 13 |
0.3%
|
| Sysmiss | 34 |