Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 21 |
1.6%
|
-7 | Does not apply | 35 |
2.6%
|
0 | No obstacle | 715 |
54%
|
1 | Minor obstacle | 261 |
19.7%
|
2 | Moderate obstacle | 133 |
10.1%
|
3 | Major obstacle | 61 |
4.6%
|
4 | Very severe obstacle | 97 |
7.3%
|