| Value | Category | Cases | |
|---|---|---|---|
| 1 | Every few days | 14 |
6.9%
|
| 2 | Every few weeks | 37 |
18.3%
|
| 3 | Every few months | 79 |
39.1%
|
| 4 | Not at all | 50 |
24.8%
|
| Sysmiss | 22 |
10.9%
|