Value | Category | Cases | |
---|---|---|---|
-1 | Missing | 0 |
0%
|
1 | Impassable | 16 |
1.3%
|
2 | Very poor | 168 |
14%
|
3 | Poor | 216 |
18%
|
4 | Fair | 320 |
26.7%
|
5 | Good | 384 |
32%
|
6 | Very good | 96 |
8%
|