Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 0 |
0%
|
-7 | Does not apply | 0 |
0%
|
0 | No obstacle | 349 |
60%
|
1 | Minor obstacle | 127 |
21.8%
|
2 | Moderate obstacle | 72 |
12.4%
|
3 | Major obstacle | 30 |
5.2%
|
4 | Very severe obstacle | 4 |
0.7%
|