| Value | Category | Cases | |
|---|---|---|---|
| 1 | Almost everyday. | 233 |
3.9%
|
| 2 | Sometimes. | 828 |
13.7%
|
| 3 | Never | 4601 |
76.1%
|
| 4 | Do not know | 382 |
6.3%
|
| Sysmiss | 56 |