| Value | Category | Cases | |
|---|---|---|---|
| 1 | Every few days | 23 |
3.8%
|
| 2 | Every few weeks | 56 |
9.2%
|
| 3 | Every few months | 112 |
18.5%
|
| 4 | Not at all | 367 |
60.6%
|
| Sysmiss | 48 |
7.9%
|