| Value | Category | Cases | |
|---|---|---|---|
| 1 | Almost every day. | 880 |
18.6%
|
| 2 | Sometimes. | 1792 |
37.9%
|
| 3 | Never | 2048 |
43.3%
|
| 4 | Don't know | 11 |
0.2%
|
| Sysmiss | 97 |