| Value | Category | Cases | |
|---|---|---|---|
| 1 | Every few days | 10 |
3.3%
|
| 2 | Every few weeks | 25 |
8.3%
|
| 3 | Every few months | 105 |
34.9%
|
| 4 | Not at all | 161 |
53.5%
|
| Sysmiss | 54 |