| Value | Category | Cases | |
|---|---|---|---|
| 1 | No obstacle | 39 |
47%
|
| 2 | Minor obstacle | 6 |
7.2%
|
| 3 | Moderate Obstacle | 4 |
4.8%
|
| 4 | Major obstacle | 1 |
1.2%
|
| 5 | Very severe obstacle | 0 |
0%
|
| 90 | Not applicable | 31 |
37.3%
|
| 97 | Refused | 0 |
0%
|
| 98 | Don't know | 1 |
1.2%
|
| 99 | Missing | 1 |
1.2%
|
| Sysmiss | 1642 |