| 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 | 31 |
55.4%
|
| 2 | Minor obstacle | 15 |
26.8%
|
| 3 | Moderate obstacle | 6 |
10.7%
|
| 4 | Major obstacle | 3 |
5.4%
|
| 5 | Very severe obstacle | 1 |
1.8%
|