Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 30 |
1.4%
|
-7 | Does not apply | 172 |
8.3%
|
0 | No obstacle | 1019 |
49.3%
|
1 | Minor obstacle | 288 |
13.9%
|
2 | Moderate obstacle | 323 |
15.6%
|
3 | Major obstacle | 150 |
7.2%
|
4 | Very severe obstacle | 87 |
4.2%
|