| Value | Category | Cases | |
|---|---|---|---|
| 1 | Every few days | 43 |
15.1%
|
| 2 | Every few weeks | 58 |
20.4%
|
| 3 | Every few months | 82 |
28.9%
|
| 4 | Not at all | 101 |
35.6%
|
| Sysmiss | 43 |