Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 0 |
0%
|
-7 | Does not apply | 0 |
0%
|
0 | No obstacle | 70 |
23%
|
1 | Minor obstacle | 89 |
29.2%
|
2 | Moderate obstacle | 120 |
39.3%
|
3 | Major obstacle | 22 |
7.2%
|
4 | Very severe obstacle | 4 |
1.3%
|