| Value | Category | Cases | |
|---|---|---|---|
| 1 | No difficulty | 106648 |
98.8%
|
| 2 | Yes, some difficulty | 958 |
0.9%
|
| 3 | Yes, a lot of difficulty | 202 |
0.2%
|
| 4 | Cannot do at all | 105 |
0.1%
|