| Value | Category | Cases | |
|---|---|---|---|
| -99 | Refused to answer | 0 |
0%
|
| -88 | Not provided | 0 |
0%
|
| -77 | Not applicable | 0 |
0%
|
| -66 | Do not know | 0 |
0%
|
| 1 | No obstacle | 11 |
11.3%
|
| 2 | Minor obstacle | 18 |
18.6%
|
| 3 | Moderate obstacle | 20 |
20.6%
|
| 4 | Major obstacle | 31 |
32%
|
| 5 | Very severe obstacle | 17 |
17.5%
|