| Value | Category | Cases | |
|---|---|---|---|
| 1 | Almost every day. | 819 |
17.9%
|
| 2 | Sometimes. | 730 |
15.9%
|
| 3 | Never | 2739 |
59.7%
|
| 4 | Don't know | 297 |
6.5%
|
| Sysmiss | 142 |