| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know | 0 |
0%
|
| -7 | Does not apply | 0 |
0%
|
| 0 | No Obstacle | 318 |
53.4%
|
| 1 | Minor Obstacle | 204 |
34.3%
|
| 2 | Moderate Obstacle | 42 |
7.1%
|
| 3 | Major Obstacle | 19 |
3.2%
|
| 4 | Very Severe Obstacle | 12 |
2%
|
| Sysmiss | 837 |