| Value | Category | Cases | |
|---|---|---|---|
| 1 | Always | 133 |
4%
|
| 2 | Often | 192 |
5.8%
|
| 3 | Sometimes | 655 |
19.9%
|
| 4 | Not at all | 2295 |
69.6%
|
| 8 | Do not know | 21 |
0.6%
|
| Sysmiss | 9 |