Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 1 |
0.2%
|
-7 | Does not apply | 0 |
0%
|
0 | No obstacle | 211 |
49.2%
|
1 | Minor obstacle | 103 |
24%
|
2 | Moderate obstacle | 96 |
22.4%
|
3 | Major obstacle | 14 |
3.3%
|
4 | Very severe obstacle | 4 |
0.9%
|