| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know | 2 |
0.8%
|
| -7 | Does not apply | 0 |
0%
|
| 0 | No Obstacle | 51 |
21.2%
|
| 1 | Minor Obstacle | 82 |
34%
|
| 2 | Moderate Obstacle | 52 |
21.6%
|
| 3 | Major Obstacle | 35 |
14.5%
|
| 4 | Very Severe Obstacle | 19 |
7.9%
|
| Sysmiss | 241 |