| Value | Category | Cases | |
|---|---|---|---|
| 1 | Every few days | 40 |
18.4%
|
| 2 | Every few weeks | 57 |
26.3%
|
| 3 | Every few months | 74 |
34.1%
|
| 4 | Not at all | 46 |
21.2%
|
| Sysmiss | 33 |