Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 2 |
0.6%
|
-7 | Does not apply | 0 |
0%
|
0 | No obstacle | 237 |
65.7%
|
1 | Minor obstacle | 78 |
21.6%
|
2 | Moderate obstacle | 33 |
9.1%
|
3 | Major obstacle | 9 |
2.5%
|
4 | Very severe obstacle | 2 |
0.6%
|