| Value | Category | Cases | |
|---|---|---|---|
| 1 | Every few days | 7 |
6%
|
| 2 | Every few weeks | 18 |
15.4%
|
| 3 | Every few months | 50 |
42.7%
|
| 4 | Not at all | 42 |
35.9%
|
| Sysmiss | 39 |