| Value | Category | Cases | |
|---|---|---|---|
| 1 | Every few days | 6 |
4.7%
|
| 2 | Every few weeks | 22 |
17.2%
|
| 3 | Every few months | 39 |
30.5%
|
| 4 | Not at all | 61 |
47.7%
|
| Sysmiss | 38 |