| Value | Category | Cases | |
|---|---|---|---|
| 1 | Every few days | 15 |
4.9%
|
| 2 | Every few weeks | 31 |
10.1%
|
| 3 | Every few months | 97 |
31.6%
|
| 4 | Not at all | 164 |
53.4%
|
| Sysmiss | 89 |