| Value | Category | Cases | |
|---|---|---|---|
| 1 | At least every week | 23 |
69.7%
|
| 2 | Approximately every two weeks | 2 |
6.1%
|
| 3 | Once a month | 3 |
9.1%
|
| 4 | Less than once a month | 2 |
6.1%
|
| 5 | Never | 3 |
9.1%
|
| Sysmiss | 343 |