Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 1 |
0.1%
|
-7 | Does not apply | 0 |
0%
|
0 | No obstacle | 820 |
57.3%
|
1 | Minor obstacle | 291 |
20.3%
|
2 | Moderate obstacle | 191 |
13.3%
|
3 | Major obstacle | 100 |
7%
|
4 | Very severe obstacle | 29 |
2%
|