| Value | Category | Cases | |
|---|---|---|---|
| 1 | Every few days | 44 |
15.6%
|
| 2 | Every few weeks | 56 |
19.9%
|
| 3 | Every few months | 85 |
30.1%
|
| 4 | Not at all | 97 |
34.4%
|
| Sysmiss | 45 |