| Value | Category | Cases | |
|---|---|---|---|
| 1 | Every few days | 29 |
10.1%
|
| 2 | Every few weeks | 46 |
16.1%
|
| 3 | Every few months | 158 |
55.2%
|
| 4 | Not at all | 53 |
18.5%
|
| Sysmiss | 15 |