| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 1 | Earth | 584 |
48.7%
|
| 2 | Gravel | 176 |
14.7%
|
| 3 | Stone | 32 |
2.7%
|
| 4 | Muram | 8 |
0.7%
|
| 5 | Paved/ Tarred | 400 |
33.3%
|
| 6 | Concrete | 0 |
0%
|