| Value | Category | Cases | |
|---|---|---|---|
| 1 | Every few days | 14 |
4.8%
|
| 2 | Every few weeks | 43 |
14.8%
|
| 3 | Every few months | 135 |
46.6%
|
| 4 | Not at all | 98 |
33.8%
|
| Sysmiss | 11 |