| Value | Category | Cases | |
|---|---|---|---|
| 1 | Every few days | 41 |
18.7%
|
| 2 | Every few weeks | 70 |
32%
|
| 3 | Every few months | 76 |
34.7%
|
| 4 | Not at all | 32 |
14.6%
|
| Sysmiss | 31 |