| Value | Category | Cases | |
|---|---|---|---|
| 1 | Every few days | 3 |
1.5%
|
| 2 | Every few weeks | 55 |
27.5%
|
| 3 | Every few months | 71 |
35.5%
|
| 4 | Not at all | 71 |
35.5%
|
| Sysmiss | 2 |