| Value | Category | Cases | |
|---|---|---|---|
| 1 | No obstacle | 48 |
54.5%
|
| 2 | Minor obstacle | 10 |
11.4%
|
| 3 | Moderate Obstacle | 15 |
17%
|
| 4 | Major obstacle | 8 |
9.1%
|
| 5 | Very severe obstacle | 1 |
1.1%
|
| 90 | Not applicable | 5 |
5.7%
|
| 97 | Refused | 0 |
0%
|
| 98 | Don't know | 0 |
0%
|
| 99 | Missing | 1 |
1.1%
|
| Sysmiss | 1637 |