| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 1 | Earth | 344 |
28.7%
|
| 2 | Gravel | 360 |
30%
|
| 3 | Stone | 8 |
0.7%
|
| 4 | Muram | 0 |
0%
|
| 5 | Paved/ Tarred | 488 |
40.7%
|
| 6 | Concrete | 0 |
0%
|