| Value | Category | Cases | |
|---|---|---|---|
| 1 | No difficulty | 31833 |
92.5%
|
| 2 | Yes, some difficulty | 2051 |
6%
|
| 3 | Yes, a lot of difficulty | 464 |
1.3%
|
| 4 | Yes, Cannot do at all | 55 |
0.2%
|
| 99 | Refused | 1 |
0%
|