Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 9 |
0.4%
|
-7 | Does not apply | 38 |
1.7%
|
0 | No obstacle | 2090 |
95.5%
|
1 | Minor obstacle | 34 |
1.6%
|
2 | Moderate obstacle | 8 |
0.4%
|
3 | Major obstacle | 6 |
0.3%
|
4 | Very severe obstacle | 4 |
0.2%
|