Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 14 |
0.6%
|
-7 | Does not apply | 22 |
1%
|
0 | No obstacle | 1932 |
88.3%
|
1 | Minor obstacle | 145 |
6.6%
|
2 | Moderate obstacle | 51 |
2.3%
|
3 | Major obstacle | 20 |
0.9%
|
4 | Very severe obstacle | 5 |
0.2%
|