| Value | Category | Cases | |
|---|---|---|---|
| 1 | Unpaved roads | 612 |
23.4%
|
| 2 | Unpaved roads | 8 |
0.3%
|
| 3 | Construction | 56 |
2.1%
|
| 4 | Construction | 10 |
0.4%
|
| 5 | Others | 89 |
3.4%
|
| Sysmiss | 1837 |