Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 12 |
0.8%
|
-7 | Does not apply | 144 |
10%
|
0 | No obstacle | 811 |
56.1%
|
1 | Minor obstacle | 224 |
15.5%
|
2 | Moderate obstacle | 161 |
11.1%
|
3 | Major obstacle | 51 |
3.5%
|
4 | Very severe obstacle | 43 |
3%
|