| Value | Category | Cases | |
|---|---|---|---|
| 1 | No obstacle | 266 |
77.3%
|
| 2 | Minor obstacle | 16 |
4.7%
|
| 3 | Moderate Obstacle | 4 |
1.2%
|
| 4 | Major obstacle | 1 |
0.3%
|
| 5 | Very severe obstacle | 0 |
0%
|
| 90 | Not applicable | 44 |
12.8%
|
| 97 | Refused | 0 |
0%
|
| 98 | Don't know | 13 |
3.8%
|
| 99 | Missing | 0 |
0%
|
| Sysmiss | 1381 |