Value | Category | Cases | |
---|---|---|---|
0 | 48 |
1.6%
|
|
1 | Cement/asphalt | 520 |
17.7%
|
2 | Tar on gravel | 459 |
15.6%
|
3 | Gravel | 648 |
22.1%
|
4 | Dirt | 606 |
20.7%
|
5 | Other | 16 |
0.5%
|
Sysmiss | 636 |