| Value | Category | Cases | |
|---|---|---|---|
| 1 | Every few days | 16 |
4.5%
|
| 2 | Every few weeks | 55 |
15.3%
|
| 3 | Every few months | 123 |
34.3%
|
| 4 | Not at all | 90 |
25.1%
|
| Sysmiss | 75 |
20.9%
|