| Value | Category | Cases | |
|---|---|---|---|
| 1 | Every few days | 14 |
7.2%
|
| 2 | Every few weeks | 25 |
12.9%
|
| 3 | Every few months | 53 |
27.3%
|
| 4 | Not at all | 49 |
25.3%
|
| Sysmiss | 53 |
27.3%
|