| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know | 29 |
7.4%
|
| -8 | Refused | 0 |
0%
|
| -7 | DOES NOT APPLY | 3 |
0.8%
|
| 0 | No obstacle | 182 |
46.7%
|
| 1 | Minor obstacle | 27 |
6.9%
|
| 2 | Moderate obstacle | 48 |
12.3%
|
| 3 | Major obstacle | 67 |
17.2%
|
| 4 | Very severe obstacle | 34 |
8.7%
|
| Sysmiss | 1605 |