| Value | Category | Cases | |
|---|---|---|---|
| 1 | Almost every day. | 400 |
7.7%
|
| 2 | Sometimes | 969 |
18.7%
|
| 3 | Never | 3030 |
58.6%
|
| 4 | Don't know | 776 |
15%
|
| Sysmiss | 169 |