| Value | Category | Cases | |
|---|---|---|---|
| 1 | No difficulty | 33528 |
97.5%
|
| 2 | Yes, some difficulty | 538 |
1.6%
|
| 3 | Yes, a lot of difficulty | 275 |
0.8%
|
| 4 | Yes, Cannot do at all | 63 |
0.2%
|