| Value | Category | Cases | |
|---|---|---|---|
| 1 | Every few days | 10 |
5.5%
|
| 2 | Every few weeks | 54 |
29.7%
|
| 3 | Every few months | 55 |
30.2%
|
| 4 | Not at all | 63 |
34.6%
|
| Sysmiss | 14 |