| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know | 0 |
0%
|
| -7 | Does not apply | 0 |
0%
|
| 0 | No Obstacle | 261 |
54.1%
|
| 1 | Minor Obstacle | 159 |
33%
|
| 2 | Moderate Obstacle | 37 |
7.7%
|
| 3 | Major Obstacle | 14 |
2.9%
|
| 4 | Very Severe Obstacle | 11 |
2.3%
|