| Value | Category | Cases | |
|---|---|---|---|
| -99 | Refuse to answer | 0 |
0%
|
| -88 | No answer | 0 |
0%
|
| -77 | Not applicable | 0 |
0%
|
| -66 | Don't know | 0 |
0%
|
| 0 | No difficulty | 30 |
12%
|
| 1 | Minor difficulty | 94 |
37.6%
|
| 2 | Moderate difficulty | 72 |
28.8%
|
| 3 | Major difficulty | 31 |
12.4%
|
| 4 | Very severe difficulty | 23 |
9.2%
|