Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 9 |
0.6%
|
-7 | Does not apply | 0 |
0%
|
0 | No obstacle | 970 |
67.7%
|
1 | Minor obstacle | 256 |
17.9%
|
2 | Moderate obstacle | 134 |
9.4%
|
3 | Major obstacle | 42 |
2.9%
|
4 | Very severe obstacle | 21 |
1.5%
|