| Value | Category | Cases | |
|---|---|---|---|
| 1 | Always | 142 |
4.6%
|
| 2 | Often | 204 |
6.6%
|
| 3 | Sometimes | 590 |
19.2%
|
| 4 | Not at all | 2086 |
68%
|
| 8 | Do not know | 47 |
1.5%
|
| Sysmiss | 95 |