| Value | Category | Cases | |
|---|---|---|---|
| 1 | Easily | 5075 |
57.5%
|
| 2 | With a little difficulty | 842 |
9.5%
|
| 3 | With a lot of difficulty | 805 |
9.1%
|
| 4 | Not at all | 1662 |
18.8%
|
| 5 | Not applicable | 446 |
5.1%
|
| Sysmiss | 102 |