| Value | Category | Cases | |
|---|---|---|---|
| 1 | Every few days | 5 |
3%
|
| 2 | Every few weeks | 9 |
5.5%
|
| 3 | Every few months | 62 |
37.6%
|
| 4 | Not at all | 89 |
53.9%
|
| Sysmiss | 26 |