| Value | Category | Cases | |
|---|---|---|---|
| 1 | Every few days | 15 |
13.8%
|
| 2 | Every few weeks | 26 |
23.9%
|
| 3 | Every few months | 44 |
40.4%
|
| 4 | Not at all | 24 |
22%
|
| Sysmiss | 55 |