| Value | Category | Cases | |
|---|---|---|---|
| 1 | Almost everyday. | 202 |
3.4%
|
| 2 | Sometimes | 817 |
13.6%
|
| 3 | Never | 4585 |
76.1%
|
| 4 | Do not know | 421 |
7%
|
| Sysmiss | 75 |