| Value | Category | Cases | |
|---|---|---|---|
| 1 | Every few days | 19 |
8.9%
|
| 2 | Every few weeks | 72 |
33.6%
|
| 3 | Every few months | 91 |
42.5%
|
| 4 | Not at all | 32 |
15%
|
| Sysmiss | 55 |