| Value | Category | Cases | |
|---|---|---|---|
| 1 | No obstacle | 196 |
57%
|
| 2 | Minor obstacle | 49 |
14.2%
|
| 3 | Moderate Obstacle | 33 |
9.6%
|
| 4 | Major obstacle | 43 |
12.5%
|
| 5 | Very severe obstacle | 3 |
0.9%
|
| 90 | Not applicable | 19 |
5.5%
|
| 97 | Refused | 0 |
0%
|
| 98 | Don't know | 1 |
0.3%
|
| 99 | Missing | 0 |
0%
|
| Sysmiss | 1381 |