Value | Category | Cases | |
---|---|---|---|
-3 | illegal missing | 0 |
0%
|
-2 | dont know | 0 |
0%
|
-1 | refuse | 0 |
0%
|
1 | Paved, multi-lane in each direction | 0 |
0%
|
2 | Paved, single-lane in each direction | 0 |
0%
|
3 | Gravel | 8 |
34.8%
|
4 | Dirt | 15 |
65.2%
|
Sysmiss | 1002 |