Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 3 |
0%
|
-7 | Does not apply | 59 |
0.6%
|
0 | No obstacle | 4633 |
49.4%
|
1 | Minor obstacle | 2119 |
22.6%
|
2 | Moderate obstacle | 1494 |
15.9%
|
3 | Major obstacle | 720 |
7.7%
|
4 | Very severe obstacle | 348 |
3.7%
|