| Value | Category | Cases | |
|---|---|---|---|
| 1 | No difficulty | 57798 |
94.9%
|
| 2 | Some difficulty | 1089 |
1.8%
|
| 3 | A lot of difficulty | 368 |
0.6%
|
| 4 | Cannot do at all | 162 |
0.3%
|
| 5 | Not applicable | 1472 |
2.4%
|