| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 1 | Earth | 136 |
11.3%
|
| 2 | Gravel | 256 |
21.3%
|
| 3 | Stone | 24 |
2%
|
| 4 | Muram | 0 |
0%
|
| 5 | Paved/ Tarred | 784 |
65.3%
|
| 6 | Concrete | 0 |
0%
|