Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 2 |
0.2%
|
-7 | Does not apply | 0 |
0%
|
0 | No obstacle | 492 |
50.3%
|
1 | Minor obstacle | 257 |
26.3%
|
2 | Moderate obstacle | 149 |
15.2%
|
3 | Major obstacle | 72 |
7.4%
|
4 | Very severe obstacle | 7 |
0.7%
|