Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 8 |
0.9%
|
-7 | Does not apply | 92 |
10.8%
|
0 | No obstacle | 690 |
81.2%
|
1 | Minor obstacle | 45 |
5.3%
|
2 | Moderate obstacle | 10 |
1.2%
|
3 | Major obstacle | 4 |
0.5%
|
4 | Very severe obstacle | 1 |
0.1%
|