| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 1 | Earth | 496 |
41.3%
|
| 2 | Gravel | 528 |
44%
|
| 3 | Stone | 32 |
2.7%
|
| 4 | Muram | 0 |
0%
|
| 5 | Paved/ Tarred | 120 |
10%
|
| 6 | Concrete | 0 |
0%
|
| 7 | None of above | 24 |
2%
|