Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 12 |
1%
|
-7 | Does not apply | 14 |
1.1%
|
0 | No obstacle | 954 |
77%
|
1 | Minor obstacle | 113 |
9.1%
|
2 | Moderate obstacle | 78 |
6.3%
|
3 | Major obstacle | 34 |
2.7%
|
4 | Very severe obstacle | 34 |
2.7%
|