| Value | Category | Cases | |
|---|---|---|---|
| 1 | Every few days | 12 |
5.3%
|
| 2 | Every few weeks | 43 |
19%
|
| 3 | Every few months | 106 |
46.9%
|
| 4 | Not at all | 65 |
28.8%
|
| Sysmiss | 106 |