| Value | Category | Cases | |
|---|---|---|---|
| 1 | No obstacle | 269 |
78%
|
| 2 | Minor obstacle | 37 |
10.7%
|
| 3 | Moderate Obstacle | 10 |
2.9%
|
| 4 | Major obstacle | 11 |
3.2%
|
| 5 | Very severe obstacle | 1 |
0.3%
|
| 90 | Not applicable | 15 |
4.3%
|
| 97 | Refused | 0 |
0%
|
| 98 | Don't know | 1 |
0.3%
|
| 99 | Missing | 1 |
0.3%
|
| Sysmiss | 1380 |