| Value | Category | Cases | |
|---|---|---|---|
| 1 | Daily | 1760 |
17.9%
|
| 2 | At least once a week | 2034 |
20.7%
|
| 3 | Not every week but several times a month | 2027 |
20.6%
|
| 4 | Less than once a month | 1581 |
16.1%
|
| 5 | Within 3 months | 757 |
7.7%
|
| 6 | More than 3 months | 1028 |
10.5%
|
| 98 | Other, specify | 636 |
6.5%
|
| Sysmiss | 4171 |