Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 11 |
0.8%
|
-7 | Does not apply | 2 |
0.2%
|
0 | No obstacle | 672 |
50.8%
|
1 | Minor obstacle | 264 |
20%
|
2 | Moderate obstacle | 299 |
22.6%
|
3 | Major obstacle | 61 |
4.6%
|
4 | Very severe obstacle | 14 |
1.1%
|