Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 8 |
0.3%
|
-7 | Does not apply | 1 |
0%
|
0 | No obstacle | 1546 |
57.3%
|
1 | Minor obstacle | 739 |
27.4%
|
2 | Moderate obstacle | 285 |
10.6%
|
3 | Major obstacle | 89 |
3.3%
|
4 | Very severe obstacle | 29 |
1.1%
|