| Value | Category | Cases | |
|---|---|---|---|
| 1 | Every few days | 16 |
4.3%
|
| 2 | Every few weeks | 63 |
17.1%
|
| 3 | Every few months | 136 |
37%
|
| 4 | Not at all | 96 |
26.1%
|
| Sysmiss | 57 |
15.5%
|