| Value | Category | Cases | |
|---|---|---|---|
| 1 | Almost every day. | 845 |
14.9%
|
| 2 | Sometimes. | 1095 |
19.3%
|
| 3 | Never | 3275 |
57.9%
|
| 4 | Don't know | 444 |
7.8%
|
| Sysmiss | 64 |