| Value | Category | Cases | |
|---|---|---|---|
| 1 | Almost every day. | 720 |
17.1%
|
| 2 | Sometimes. | 879 |
20.9%
|
| 3 | Never | 2080 |
49.4%
|
| 4 | Don't know | 529 |
12.6%
|
| Sysmiss | 37 |