| 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 | 64 |
66%
|
| 2 | Minor obstacle | 10 |
10.3%
|
| 3 | Moderate obstacle | 7 |
7.2%
|
| 4 | Major obstacle | 12 |
12.4%
|
| 5 | Very severe obstacle | 4 |
4.1%
|