Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 1 |
0%
|
-7 | Does not apply | 16 |
0.8%
|
0 | No obstacle | 999 |
48.3%
|
1 | Minor obstacle | 409 |
19.8%
|
2 | Moderate obstacle | 353 |
17.1%
|
3 | Major obstacle | 179 |
8.7%
|
4 | Very severe obstacle | 112 |
5.4%
|