| Value | Category | Cases | |
|---|---|---|---|
| 1 | Every few days | 43 |
15.9%
|
| 2 | Every few weeks | 72 |
26.6%
|
| 3 | Every few months | 66 |
24.4%
|
| 4 | Not at all | 90 |
33.2%
|
| Sysmiss | 56 |