| Value | Category | Cases | |
|---|---|---|---|
| 1 | Every few days | 29 |
9.4%
|
| 2 | Every few weeks | 85 |
27.7%
|
| 3 | Every few months | 118 |
38.4%
|
| 4 | Not at all | 75 |
24.4%
|
| Sysmiss | 48 |