| Value | Category | Cases | |
|---|---|---|---|
| 1 | No obstacle | 226 |
65.5%
|
| 2 | Minor obstacle | 52 |
15.1%
|
| 3 | Moderate Obstacle | 30 |
8.7%
|
| 4 | Major obstacle | 16 |
4.6%
|
| 5 | Very severe obstacle | 2 |
0.6%
|
| 90 | Not applicable | 18 |
5.2%
|
| 97 | Refused | 0 |
0%
|
| 98 | Don't know | 1 |
0.3%
|
| 99 | Missing | 0 |
0%
|
| Sysmiss | 1380 |