| Value | Category | Cases | |
|---|---|---|---|
| 1 | Every few days | 1 |
1.1%
|
| 2 | Every few weeks | 6 |
6.7%
|
| 3 | Every few months | 27 |
30.3%
|
| 4 | Not at all | 55 |
61.8%
|
| Sysmiss | 22 |