| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know | 0 |
0%
|
| -7 | Does not apply | 0 |
0%
|
| 0 | No Obstacle | 4 |
8.2%
|
| 1 | Minor Obstacle | 7 |
14.3%
|
| 2 | Moderate Obstacle | 15 |
30.6%
|
| 3 | Major Obstacle | 13 |
26.5%
|
| 4 | Very Severe Obstacle | 10 |
20.4%
|
| Sysmiss | 433 |