| Value | Category | Cases | |
|---|---|---|---|
| 1 | Every few days | 8 |
10%
|
| 2 | Every few weeks | 19 |
23.8%
|
| 3 | Every few months | 30 |
37.5%
|
| 4 | Not at all | 23 |
28.8%
|
| Sysmiss | 29 |