| Value | Category | Cases | |
|---|---|---|---|
| 1 | Every few days | 19 |
5.6%
|
| 2 | Every few weeks | 44 |
13%
|
| 3 | Every few months | 95 |
28%
|
| 4 | Not at all | 181 |
53.4%
|
| Sysmiss | 101 |