| Value | Category | Cases | |
|---|---|---|---|
| 1 | Every few days | 26 |
11.6%
|
| 2 | Every few weeks | 49 |
21.8%
|
| 3 | Every few months | 94 |
41.8%
|
| 4 | Not at all | 56 |
24.9%
|
| Sysmiss | 44 |