Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 35 |
0.2%
|
-7 | Does not apply | 30 |
0.2%
|
0 | No obstacle | 7673 |
41.1%
|
1 | Minor obstacle | 4927 |
26.4%
|
2 | Moderate obstacle | 3588 |
19.2%
|
3 | Major obstacle | 1738 |
9.3%
|
4 | Very severe obstacle | 666 |
3.6%
|