| Value | Category | Cases | |
|---|---|---|---|
| -9 | DON'T KNOW | 6 |
0.4%
|
| -7 | DOES NOT APPLY | 8 |
0.6%
|
| 0 | No obstacle | 669 |
47.3%
|
| 1 | Minor obstacle | 403 |
28.5%
|
| 2 | Moderate obstacle | 187 |
13.2%
|
| 3 | Major obstacle | 129 |
9.1%
|
| 4 | Very severe obstacle | 11 |
0.8%
|
| Sysmiss | 17244 |