| Value | Category | Cases | |
|---|---|---|---|
| 1 | Every few days | 19 |
7.1%
|
| 2 | Every few weeks | 56 |
20.8%
|
| 3 | Every few months | 96 |
35.7%
|
| 4 | Not at all | 98 |
36.4%
|
| Sysmiss | 58 |