| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 8 |
0%
|
| 1 | Earth | 14689 |
32.1%
|
| 2 | Gravel | 4677 |
10.2%
|
| 3 | Stone | 1571 |
3.4%
|
| 4 | Muram | 2640 |
5.8%
|
| 5 | Paved/ Tarred | 19547 |
42.7%
|
| 6 | Concrete | 2691 |
5.9%
|