| Value | Category | Cases | |
|---|---|---|---|
| 1 | Every few days | 21 |
16.5%
|
| 2 | Every few weeks | 25 |
19.7%
|
| 3 | Every few months | 55 |
43.3%
|
| 4 | Not at all | 26 |
20.5%
|
| Sysmiss | 37 |