| Value | Category | Cases | |
|---|---|---|---|
| 1 | Every few days | 34 |
12%
|
| 2 | Every few weeks | 53 |
18.7%
|
| 3 | Every few months | 68 |
23.9%
|
| 4 | Not at all | 129 |
45.4%
|
| Sysmiss | 91 |