| Value | Category | Cases | |
|---|---|---|---|
| -9 | DON'T KNOW | 2 |
0%
|
| -7 | DOES NOT APPLY | 2 |
0%
|
| 0 | No obstacle | 6337 |
68.3%
|
| 1 | Minor obstacle | 2185 |
23.5%
|
| 2 | Moderate obstacle | 418 |
4.5%
|
| 3 | Major obstacle | 212 |
2.3%
|
| 4 | Very severe obstacle | 125 |
1.3%
|
| Sysmiss | 9376 |