| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know | 0 |
0%
|
| -7 | Does not apply | 0 |
0%
|
| 0 | No Obstacle | 81 |
16.8%
|
| 1 | Minor Obstacle | 50 |
10.4%
|
| 2 | Moderate Obstacle | 75 |
15.6%
|
| 3 | Major Obstacle | 123 |
25.5%
|
| 4 | Very Severe Obstacle | 153 |
31.7%
|