| Value | Category | Cases | |
|---|---|---|---|
| 1 | Every few days | 6 |
5.2%
|
| 2 | Every few weeks | 11 |
9.5%
|
| 3 | Every few months | 41 |
35.3%
|
| 4 | Not at all | 58 |
50%
|
| Sysmiss | 31 |