| Value | Category | Cases | |
|---|---|---|---|
| 1 | Every few days | 12 |
16.2%
|
| 2 | Every few weeks | 14 |
18.9%
|
| 3 | Every few months | 37 |
50%
|
| 4 | Not at all | 11 |
14.9%
|
| Sysmiss | 22 |