| Value | Category | Cases | |
|---|---|---|---|
| 1 | several times a week | 423 |
20.4%
|
| 2 | about once a week | 323 |
15.6%
|
| 3 | about once a month | 260 |
12.6%
|
| 4 | occasionally | 1063 |
51.4%
|
| Sysmiss | 6717 |