| Value | Category | Cases | |
|---|---|---|---|
| -9 | don't know | 0 |
0%
|
| -7 | does not apply | 2 |
2%
|
| 0 | no obstacle | 48 |
47.5%
|
| 1 | minor obstacle | 14 |
13.9%
|
| 2 | moderate obstacle | 16 |
15.8%
|
| 3 | major obstacle | 11 |
10.9%
|
| 4 | very severe obstacle | 10 |
9.9%
|
| Sysmiss | 854 |