| Value | Category | Cases | |
|---|---|---|---|
| 1 | Every few days | 15 |
11.8%
|
| 2 | Every few weeks | 24 |
18.9%
|
| 3 | Every few months | 41 |
32.3%
|
| 4 | Not at all | 47 |
37%
|
| -99 | 3 | ||
| Sysmiss | 29 |