| Value | Category | Cases | |
|---|---|---|---|
| 1 | Every few days | 18 |
5.8%
|
| 2 | Every few weeks | 67 |
21.8%
|
| 3 | Every few months | 180 |
58.4%
|
| 4 | Not at all | 43 |
14%
|
| Sysmiss | 88 |