| Value | Category | Cases | Weighted | |
|---|---|---|---|---|
| 1 | Earth | 2121 | 670178 |
26.8%
|
| 2 | Cement/concrete | 4502 | 1398291 |
55.9%
|
| 3 | Tile | 22 | 6918 |
0.3%
|
| 5 | Wood | 17 | 5728 |
0.2%
|
| 6 | Other | 1338 | 420638 |
16.8%
|