| Value | Category | Cases | |
|---|---|---|---|
| 1 | Every few days | 9 |
4.5%
|
| 2 | Every few weeks | 19 |
9.5%
|
| 3 | Every few months | 80 |
39.8%
|
| 4 | Not at all | 93 |
46.3%
|
| Sysmiss | 26 |