| Value | Category | Cases | |
|---|---|---|---|
| 1 | Every few days | 38 |
13.1%
|
| 2 | Every few weeks | 57 |
19.7%
|
| 3 | Every few months | 118 |
40.8%
|
| 4 | Not at all | 76 |
26.3%
|
| Sysmiss | 12 |