| 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 | 106 |
41.1%
|
| 1 | Minor difficulty | 113 |
43.8%
|
| 2 | Moderate difficulty | 31 |
12%
|
| 3 | Major difficulty | 8 |
3.1%
|
| 4 | Very severe difficulty | 0 |
0%
|