| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 1 | Earth | 936 |
39%
|
| 2 | Gravel | 272 |
11.3%
|
| 3 | Stone | 16 |
0.7%
|
| 4 | Muram | 0 |
0%
|
| 5 | Paved/ Tarred | 1168 |
48.7%
|
| 6 | Concrete | 8 |
0.3%
|