| Value | Category | Cases | |
|---|---|---|---|
| 1 | Every few days | 12 |
9.6%
|
| 2 | Every few weeks | 31 |
24.8%
|
| 3 | Every few months | 65 |
52%
|
| 4 | Not at all | 17 |
13.6%
|
| Sysmiss | 13 |