| Value | Category | Cases | |
|---|---|---|---|
| 1 | Every few days | 36 |
10.5%
|
| 2 | Every few weeks | 98 |
28.5%
|
| 3 | Every few months | 138 |
40.1%
|
| 4 | Not at all | 72 |
20.9%
|
| Sysmiss | 47 |