| Value | Category | Cases | |
|---|---|---|---|
| 1 | No difficulty | 2350 |
92.5%
|
| 2 | Some difficulty | 164 |
6.5%
|
| 3 | A lot of difficulty | 22 |
0.9%
|
| 4 | Cannot do at all | 2 |
0.1%
|
| 97 | Don't know | 2 |
0.1%
|
| 99 | Refuse to answer | 0 |
0%
|