| Value | Category | Cases | |
|---|---|---|---|
| 1 | Every few days | 33 |
14.8%
|
| 2 | Every few weeks | 57 |
25.6%
|
| 3 | Every few months | 73 |
32.7%
|
| 4 | Not at all | 60 |
26.9%
|
| Sysmiss | 34 |