| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never | 163 |
11.8%
|
| 2 | Every day | 335 |
24.3%
|
| 3 | Several times a week | 508 |
36.8%
|
| 4 | Several times a month | 374 |
27.1%
|
| Sysmiss | 10054 |