| Value | Category | Cases | |
|---|---|---|---|
| 1 | Almost every day. | 236 |
5.3%
|
| 2 | Sometimes. | 798 |
17.8%
|
| 3 | Never | 3030 |
67.4%
|
| 4 | Don't know | 431 |
9.6%
|
| Sysmiss | 99 |