Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 26 |
1.3%
|
-7 | Does not apply | 11 |
0.6%
|
0 | No obstacle | 1434 |
71.9%
|
1 | Minor obstacle | 212 |
10.6%
|
2 | Moderate obstacle | 188 |
9.4%
|
3 | Major obstacle | 89 |
4.5%
|
4 | Very severe obstacle | 35 |
1.8%
|