| Value | Category | Cases | |
|---|---|---|---|
| 1 | Every few days | 33 |
11.7%
|
| 2 | Every few weeks | 84 |
29.8%
|
| 3 | Every few months | 125 |
44.3%
|
| 4 | Not at all | 40 |
14.2%
|
| Sysmiss | 93 |