| Value | Category | Cases | |
|---|---|---|---|
| 1 | Every few days | 16 |
9%
|
| 2 | Every few weeks | 34 |
19.2%
|
| 3 | Every few months | 86 |
48.6%
|
| 4 | Not at all | 41 |
23.2%
|
| Sysmiss | 19 |