Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 1 |
0.3%
|
-7 | Does not apply | 0 |
0%
|
0 | No obstacle | 56 |
15.3%
|
1 | Minor obstacle | 134 |
36.7%
|
2 | Moderate obstacle | 112 |
30.7%
|
3 | Major obstacle | 60 |
16.4%
|
4 | Very severe obstacle | 2 |
0.5%
|