Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 12 |
0.8%
|
-7 | Does not apply | 69 |
4.8%
|
0 | No obstacle | 989 |
68.4%
|
1 | Minor obstacle | 206 |
14.2%
|
2 | Moderate obstacle | 123 |
8.5%
|
3 | Major obstacle | 30 |
2.1%
|
4 | Very severe obstacle | 17 |
1.2%
|