| Value | Category | Cases | |
|---|---|---|---|
| 1 | Every few days | 78 |
14.1%
|
| 2 | Every few weeks | 133 |
24%
|
| 3 | Every few months | 281 |
50.7%
|
| 4 | Not at all | 62 |
11.2%
|
| Sysmiss | 9 |