| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 1 | Earth | 920 |
38.3%
|
| 2 | Gravel | 288 |
12%
|
| 3 | Stone | 120 |
5%
|
| 4 | Muram | 624 |
26%
|
| 5 | Paved/ Tarred | 416 |
17.3%
|
| 6 | Concrete | 32 |
1.3%
|