| Value | Category | Cases | |
|---|---|---|---|
| 1 | Every few days | 45 |
13.6%
|
| 2 | Every few weeks | 91 |
27.4%
|
| 3 | Every few months | 135 |
40.7%
|
| 4 | Not at all | 61 |
18.4%
|
| Sysmiss | 36 |