| Value | Category | Cases | |
|---|---|---|---|
| 1 | Every few days | 11 |
3%
|
| 2 | Every few weeks | 38 |
10.3%
|
| 3 | Every few months | 106 |
28.8%
|
| 4 | Not at all | 158 |
42.9%
|
| Sysmiss | 55 |
14.9%
|