| Value | Category | Cases | |
|---|---|---|---|
| 1 | Easily | 4601 |
72.5%
|
| 2 | With a little difficulty | 510 |
8%
|
| 3 | With a lot of difficulty | 448 |
7.1%
|
| 4 | Not at all | 784 |
12.4%
|
| Sysmiss | 17 |