| Value | Category | Cases | |
|---|---|---|---|
| 1 | At least every week | 197 |
73.8%
|
| 2 | Approximately every two weeks | 28 |
10.5%
|
| 3 | Once a month | 20 |
7.5%
|
| 4 | Less than once a month | 11 |
4.1%
|
| 5 | Never | 11 |
4.1%
|
| Sysmiss | 109 |