| Value | Category | Cases | |
|---|---|---|---|
| 1 | Every few days | 36 |
38.7%
|
| 2 | Every few weeks | 37 |
39.8%
|
| 3 | Every few months | 17 |
18.3%
|
| 4 | Not at all | 3 |
3.2%
|
| Sysmiss | 29 |