| Value | Category | Cases | |
|---|---|---|---|
| 1 | Daily | 61 |
1.4%
|
| 2 | At least once a week | 251 |
5.7%
|
| 3 | Not every week but several times a month | 739 |
16.7%
|
| 4 | Less than once a month | 2925 |
66.3%
|
| 5 | Other, specify | 439 |
9.9%
|
| Sysmiss | 8065 |