| Value | Category | Cases | |
|---|---|---|---|
| 1 | Every few days | 22 |
6.7%
|
| 2 | Every few weeks | 89 |
27.1%
|
| 3 | Every few months | 148 |
45%
|
| 4 | Not at all | 70 |
21.3%
|
| Sysmiss | 25 |