| Value | Category | Cases | |
|---|---|---|---|
| 1 | Easily | 5633 |
88.7%
|
| 2 | With a little difficulty | 299 |
4.7%
|
| 3 | With a lot of difficulty | 190 |
3%
|
| 4 | Not at all | 226 |
3.6%
|
| Sysmiss | 12 |