| Value | Category | Cases | |
|---|---|---|---|
| 1 | Every few days | 46 |
13.1%
|
| 2 | Every few weeks | 100 |
28.4%
|
| 3 | Every few months | 160 |
45.5%
|
| 4 | Not at all | 46 |
13.1%
|
| Sysmiss | 14 |