Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 6 |
0.8%
|
-7 | Does not apply | 2 |
0.3%
|
0 | No obstacle | 530 |
74.3%
|
1 | Minor obstacle | 109 |
15.3%
|
2 | Moderate obstacle | 38 |
5.3%
|
3 | Major obstacle | 20 |
2.8%
|
4 | Very severe obstacle | 8 |
1.1%
|