Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 1 |
0.1%
|
-7 | Does not apply | 30 |
2.9%
|
0 | No obstacle | 810 |
79.1%
|
1 | Minor obstacle | 126 |
12.3%
|
2 | Moderate obstacle | 33 |
3.2%
|
3 | Major obstacle | 16 |
1.6%
|
4 | Very severe obstacle | 8 |
0.8%
|