Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 1 |
0.3%
|
-7 | Does not apply | 0 |
0%
|
0 | No obstacle | 183 |
51.7%
|
1 | Minor obstacle | 76 |
21.5%
|
2 | Moderate obstacle | 64 |
18.1%
|
3 | Major obstacle | 26 |
7.3%
|
4 | Very severe obstacle | 4 |
1.1%
|