| Value | Category | Cases | |
|---|---|---|---|
| 1 | Every few days | 18 |
8.8%
|
| 2 | Every few weeks | 49 |
24%
|
| 3 | Every few months | 70 |
34.3%
|
| 4 | Not at all | 67 |
32.8%
|
| Sysmiss | 12 |