| Value | Category | Cases | |
|---|---|---|---|
| 1 | Every few days | 8 |
4.8%
|
| 2 | Every few weeks | 15 |
9%
|
| 3 | Every few months | 40 |
24.1%
|
| 4 | Not at all | 103 |
62%
|
| Sysmiss | 25 |