| Value | Category | Cases | |
|---|---|---|---|
| 1 | Easily | 70 |
51.9%
|
| 2 | With difficulty | 29 |
21.5%
|
| 3 | Not at all | 35 |
25.9%
|
| 9 | No response | 1 |
0.7%
|
| Sysmiss | 83 |