| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 1 | Earth | 426 |
35.4%
|
| 2 | Gravel | 40 |
3.3%
|
| 3 | Stone | 64 |
5.3%
|
| 4 | Muram | 8 |
0.7%
|
| 5 | Paved/ Tarred | 601 |
49.9%
|
| 6 | Concrete | 65 |
5.4%
|