Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 42 |
0.2%
|
-7 | Does not apply | 195 |
1%
|
0 | No obstacle | 9210 |
49.4%
|
1 | Minor obstacle | 3982 |
21.3%
|
2 | Moderate obstacle | 2974 |
15.9%
|
3 | Major obstacle | 1684 |
9%
|
4 | Very severe obstacle | 570 |
3.1%
|