Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 0 |
0%
|
-7 | Does not apply | 0 |
0%
|
0 | No obstacle | 309 |
88%
|
1 | Minor obstacle | 21 |
6%
|
2 | Moderate obstacle | 14 |
4%
|
3 | Major obstacle | 4 |
1.1%
|
4 | Very severe obstacle | 3 |
0.9%
|