Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 24 |
1.1%
|
-7 | Does not apply | 1009 |
46.1%
|
0 | No obstacle | 1103 |
50.4%
|
1 | Minor obstacle | 32 |
1.5%
|
2 | Moderate obstacle | 10 |
0.5%
|
3 | Major obstacle | 9 |
0.4%
|
4 | Very severe obstacle | 2 |
0.1%
|