| Value | Category | Cases | |
|---|---|---|---|
| 1 | Once a week or more | 10 |
9.1%
|
| 2 | Once a month or more | 82 |
74.5%
|
| 3 | Every few months | 11 |
10%
|
| 4 | Other (specify) | 7 |
6.4%
|
| Sysmiss | 317 |