| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know | 15 |
4.2%
|
| -8 | Refused | 0 |
0%
|
| -7 | DOES NOT APPLY | 1 |
0.3%
|
| 0 | No obstacle | 72 |
20%
|
| 1 | Minor obstacle | 44 |
12.2%
|
| 2 | Moderate obstacle | 58 |
16.1%
|
| 3 | Major obstacle | 87 |
24.2%
|
| 4 | Very severe obstacle | 83 |
23.1%
|
| Sysmiss | 726 |