| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know | 0 |
0%
|
| -7 | Does not apply | 0 |
0%
|
| 0 | No Obstacle | 14 |
28.6%
|
| 1 | Minor Obstacle | 16 |
32.7%
|
| 2 | Moderate Obstacle | 12 |
24.5%
|
| 3 | Major Obstacle | 4 |
8.2%
|
| 4 | Very Severe Obstacle | 3 |
6.1%
|
| Sysmiss | 433 |