| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never | 13 |
3.1%
|
| 2 | Every day | 159 |
37.6%
|
| 3 | Several times a week | 189 |
44.7%
|
| 4 | Several times a month | 62 |
14.7%
|
| Sysmiss | 2085 |