| Value | Category | Cases | |
|---|---|---|---|
| 1 | Every few days | 3 |
2.9%
|
| 2 | Every few weeks | 4 |
3.8%
|
| 3 | Every few months | 40 |
38.1%
|
| 4 | Not at all | 58 |
55.2%
|
| Sysmiss | 24 |