Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 2 |
0.6%
|
-7 | Does not apply | 0 |
0%
|
0 | No obstacle | 122 |
33.8%
|
1 | Minor obstacle | 108 |
29.9%
|
2 | Moderate obstacle | 83 |
23%
|
3 | Major obstacle | 36 |
10%
|
4 | Very severe obstacle | 10 |
2.8%
|