| Value | Category | Cases | |
|---|---|---|---|
| 1 | No difficulty | 94720 |
98.2%
|
| 2 | Some difficulty | 1322 |
1.4%
|
| 3 | A lot of difficulty | 205 |
0.2%
|
| 4 | Cannot do at all | 205 |
0.2%
|