Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 11 |
0.8%
|
-7 | Does not apply | 56 |
3.9%
|
0 | No obstacle | 943 |
65.2%
|
1 | Minor obstacle | 243 |
16.8%
|
2 | Moderate obstacle | 149 |
10.3%
|
3 | Major obstacle | 30 |
2.1%
|
4 | Very severe obstacle | 14 |
1%
|