Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 10 |
0.1%
|
-7 | Does not apply | 18 |
0.2%
|
0 | No obstacle | 4349 |
46.4%
|
1 | Minor obstacle | 2126 |
22.7%
|
2 | Moderate obstacle | 1735 |
18.5%
|
3 | Major obstacle | 861 |
9.2%
|
4 | Very severe obstacle | 277 |
3%
|