| Value | Category | Cases | |
|---|---|---|---|
| 1 | Earth | 336 |
28%
|
| 2 | Gravel | 96 |
8%
|
| 3 | Stone | 40 |
3.3%
|
| 4 | Muram | 560 |
46.7%
|
| 5 | Paved/ Tarred | 136 |
11.3%
|
| 6 | Concrete | 32 |
2.7%
|