| Value | Category | Cases | |
|---|---|---|---|
| 1 | Always | 143 |
4.9%
|
| 2 | Often | 248 |
8.5%
|
| 3 | Sometimes | 789 |
27%
|
| 4 | Not at all | 1654 |
56.5%
|
| 8 | (Do not know) | 92 |
3.1%
|
| Sysmiss | 13 |