| Value | Category | Cases | |
|---|---|---|---|
| 1 | Every few days | 19 |
9.4%
|
| 2 | Every few weeks | 68 |
33.7%
|
| 3 | Every few months | 71 |
35.1%
|
| 4 | Not at all | 25 |
12.4%
|
| Sysmiss | 19 |
9.4%
|