Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 20 |
0.2%
|
-7 | Does not apply | 35 |
0.4%
|
0 | No obstacle | 5560 |
59.3%
|
1 | Minor obstacle | 1494 |
15.9%
|
2 | Moderate obstacle | 1322 |
14.1%
|
3 | Major obstacle | 749 |
8%
|
4 | Very severe obstacle | 196 |
2.1%
|