| Value | Category | Cases | |
|---|---|---|---|
| 1 | Every few days | 24 |
5%
|
| 2 | Every few weeks | 73 |
15.1%
|
| 3 | Every few months | 165 |
34.2%
|
| 4 | Not at all | 121 |
25.1%
|
| Sysmiss | 99 |
20.5%
|