| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never | 13 |
3.5%
|
| 2 | Every day | 59 |
15.9%
|
| 3 | Several times a week | 209 |
56.2%
|
| 4 | Several times a month | 91 |
24.5%
|
| Sysmiss | 2874 |