| Value | Category | Cases | |
|---|---|---|---|
| 1 | Every few days | 32 |
9.6%
|
| 2 | Every few weeks | 93 |
27.8%
|
| 3 | Every few months | 128 |
38.2%
|
| 4 | Not at all | 82 |
24.5%
|
| Sysmiss | 56 |