Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 0 |
0%
|
-7 | Does not apply | 1 |
0.2%
|
0 | No obstacle | 174 |
28%
|
1 | Minor obstacle | 215 |
34.6%
|
2 | Moderate obstacle | 113 |
18.2%
|
3 | Major obstacle | 90 |
14.5%
|
4 | Very severe obstacle | 29 |
4.7%
|