| Value | Category | Cases | |
|---|---|---|---|
| 1 | Every few days | 7 |
7.2%
|
| 2 | Every few weeks | 18 |
18.6%
|
| 3 | Every few months | 37 |
38.1%
|
| 4 | Not at all | 35 |
36.1%
|
| Sysmiss | 10 |