Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 28 |
0.2%
|
-7 | Does not apply | 21 |
0.1%
|
0 | No obstacle | 7947 |
42.6%
|
1 | Minor obstacle | 5651 |
30.3%
|
2 | Moderate obstacle | 2878 |
15.4%
|
3 | Major obstacle | 1674 |
9%
|
4 | Very severe obstacle | 458 |
2.5%
|