Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 6 |
0.4%
|
-7 | Does not apply | 9 |
0.6%
|
0 | No obstacle | 805 |
56.2%
|
1 | Minor obstacle | 296 |
20.7%
|
2 | Moderate obstacle | 201 |
14%
|
3 | Major obstacle | 73 |
5.1%
|
4 | Very severe obstacle | 42 |
2.9%
|