| Value | Category | Cases | |
|---|---|---|---|
| 1 | At least once a week | 219 |
6.8%
|
| 2 | At least once a month but not every week | 1411 |
44%
|
| 3 | Less than once a month | 1575 |
49.1%
|
| Sysmiss | 9576 |