| 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 | 192 |
24.6%
|
| 2 | Minor obstacle | 132 |
16.9%
|
| 3 | Moderate obstacle | 124 |
15.9%
|
| 4 | Major obstacle | 144 |
18.4%
|
| 5 | Very severe obstacle | 189 |
24.2%
|