| Value | Category | Cases | |
|---|---|---|---|
| 1 | Almost every day. | 1568 |
27.2%
|
| 2 | Sometimes. | 1255 |
21.7%
|
| 3 | Never | 2174 |
37.7%
|
| 4 | Don't know | 774 |
13.4%
|
| Sysmiss | 449 |