| Value | Category | Cases | |
|---|---|---|---|
| 1 | Every few days | 43 |
11.5%
|
| 2 | Every few weeks | 102 |
27.3%
|
| 3 | Every few months | 138 |
37%
|
| 4 | Not at all | 90 |
24.1%
|
| Sysmiss | 48 |