| Value | Category | Cases | |
|---|---|---|---|
| 1 | Every few days | 35 |
9.5%
|
| 2 | Every few weeks | 102 |
27.7%
|
| 3 | Every few months | 132 |
35.9%
|
| 4 | Not at all | 53 |
14.4%
|
| Sysmiss | 46 |
12.5%
|