| 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 | 29 |
51.8%
|
| 2 | Minor obstacle | 3 |
5.4%
|
| 3 | Moderate obstacle | 11 |
19.6%
|
| 4 | Major obstacle | 8 |
14.3%
|
| 5 | Very severe obstacle | 5 |
8.9%
|