| Value | Category | Cases | |
|---|---|---|---|
| 1 | No, no difficulty | 2911 |
97.1%
|
| 2 | Yes, some difficulty | 81 |
2.7%
|
| 3 | Yes, a lot of difficulty | 7 |
0.2%
|
| 4 | Cannot do at all | 0 |
0%
|