| Value | Category | Cases | |
|---|---|---|---|
| 1 | Every few days | 27 |
9.1%
|
| 2 | Every few weeks | 75 |
25.2%
|
| 3 | Every few months | 91 |
30.5%
|
| 4 | Not at all | 105 |
35.2%
|
| -99 | 6 | ||
| Sysmiss | 56 |