| Value | Category | Cases | |
|---|---|---|---|
| 1 | Every few days | 22 |
10.9%
|
| 2 | Every few weeks | 59 |
29.2%
|
| 3 | Every few months | 77 |
38.1%
|
| 4 | Not at all | 23 |
11.4%
|
| Sysmiss | 21 |
10.4%
|