| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know | 28 |
7.2%
|
| -8 | Refused | 0 |
0%
|
| -7 | DOES NOT APPLY | 2 |
0.5%
|
| 0 | No obstacle | 236 |
60.5%
|
| 1 | Minor obstacle | 60 |
15.4%
|
| 2 | Moderate obstacle | 49 |
12.6%
|
| 3 | Major obstacle | 15 |
3.8%
|
| 4 | Very severe obstacle | 0 |
0%
|
| Sysmiss | 1605 |