| Value | Category | Cases | |
|---|---|---|---|
| 1 | Every few days | 22 |
13.7%
|
| 2 | Every few weeks | 45 |
28%
|
| 3 | Every few months | 60 |
37.3%
|
| 4 | Not at all | 34 |
21.1%
|
| Sysmiss | 39 |