Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 0 |
0%
|
-7 | Does not apply | 0 |
0%
|
0 | No obstacle | 55 |
4.2%
|
1 | Minor obstacle | 192 |
14.5%
|
2 | Moderate obstacle | 891 |
67.4%
|
3 | Major obstacle | 169 |
12.8%
|
4 | Very severe obstacle | 15 |
1.1%
|