Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 12 |
0.1%
|
-7 | Does not apply | 125 |
1.3%
|
0 | No obstacle | 4186 |
44.6%
|
1 | Minor obstacle | 2162 |
23.1%
|
2 | Moderate obstacle | 1606 |
17.1%
|
3 | Major obstacle | 1048 |
11.2%
|
4 | Very severe obstacle | 237 |
2.5%
|