| Value | Category | Cases | |
|---|---|---|---|
| 1 | Every few days | 3 |
3%
|
| 2 | Every few weeks | 18 |
18.2%
|
| 3 | Every few months | 50 |
50.5%
|
| 4 | Not at all | 28 |
28.3%
|
| Sysmiss | 14 |