| Value | Category | Cases | |
|---|---|---|---|
| 1 | Almost every day. | 769 |
20.6%
|
| 2 | Sometimes. | 813 |
21.7%
|
| 3 | Never | 1600 |
42.8%
|
| 4 | Don't know | 556 |
14.9%
|
| Sysmiss | 24 |