| Value | Category | Cases | |
|---|---|---|---|
| 1 | No difficulty | 332295 |
98.2%
|
| 2 | Yes, some difficulty | 5075 |
1.5%
|
| 3 | Yes, a lot of difficulty | 879 |
0.3%
|
| 4 | Cannot do at all | 155 |
0%
|