Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 42 |
0.2%
|
-7 | Does not apply | 202 |
1.1%
|
0 | No obstacle | 7475 |
40.1%
|
1 | Minor obstacle | 4844 |
26%
|
2 | Moderate obstacle | 3665 |
19.6%
|
3 | Major obstacle | 1994 |
10.7%
|
4 | Very severe obstacle | 435 |
2.3%
|