| Value | Category | Cases | |
|---|---|---|---|
| 1 | Easily | 1267 |
25.3%
|
| 2 | With some difficulty | 646 |
12.9%
|
| 3 | With lots of difficulty | 435 |
8.7%
|
| 4 | Not at all | 2659 |
53.1%
|