Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 1 |
0.3%
|
-7 | Does not apply | 0 |
0%
|
0 | No obstacle | 46 |
12.6%
|
1 | Minor obstacle | 151 |
41.4%
|
2 | Moderate obstacle | 125 |
34.2%
|
3 | Major obstacle | 37 |
10.1%
|
4 | Very severe obstacle | 5 |
1.4%
|