| Value | Category | Cases | |
|---|---|---|---|
| 1 | No difficulty | 59421 |
97.6%
|
| 2 | Some difficulty | 733 |
1.2%
|
| 3 | A lot of difficulty | 114 |
0.2%
|
| 4 | Cannot do at all | 36 |
0.1%
|
| 5 | Not applicable | 585 |
1%
|