| Value | Category | Cases | |
|---|---|---|---|
| 1 | No difficulty | 59527 |
97.8%
|
| 2 | Some difficulty | 807 |
1.3%
|
| 3 | A lot of difficulty | 119 |
0.2%
|
| 4 | Cannot do at all | 54 |
0.1%
|
| 5 | Not applicable | 382 |
0.6%
|