| Value | Category | Cases | |
|---|---|---|---|
| 1 | Every few days | 45 |
19.7%
|
| 2 | Every few weeks | 64 |
28.1%
|
| 3 | Every few months | 85 |
37.3%
|
| 4 | Not at all | 34 |
14.9%
|
| Sysmiss | 22 |