| Value | Category | Cases | |
|---|---|---|---|
| 1 | No obstacle | 41 |
46.6%
|
| 2 | Minor obstacle | 21 |
23.9%
|
| 3 | Moderate Obstacle | 9 |
10.2%
|
| 4 | Major obstacle | 8 |
9.1%
|
| 5 | Very severe obstacle | 1 |
1.1%
|
| 90 | Not applicable | 8 |
9.1%
|
| 97 | Refused | 0 |
0%
|
| 98 | Don't know | 0 |
0%
|
| 99 | Missing | 0 |
0%
|
| Sysmiss | 1637 |