Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 8 |
0.4%
|
-7 | Does not apply | 198 |
9%
|
0 | No obstacle | 1900 |
86.8%
|
1 | Minor obstacle | 31 |
1.4%
|
2 | Moderate obstacle | 22 |
1%
|
3 | Major obstacle | 23 |
1.1%
|
4 | Very severe obstacle | 7 |
0.3%
|