| Value | Category | Cases | |
|---|---|---|---|
| 1 | Every few days | 2 |
2%
|
| 2 | Every few weeks | 22 |
21.8%
|
| 3 | Every few months | 55 |
54.5%
|
| 4 | Not at all | 22 |
21.8%
|
| Sysmiss | 28 |