| Value | Category | Cases | |
|---|---|---|---|
| 1 | Every few days | 14 |
7.9%
|
| 2 | Every few weeks | 58 |
32.8%
|
| 3 | Every few months | 82 |
46.3%
|
| 4 | Not at all | 23 |
13%
|
| Sysmiss | 19 |