| Value | Category | Cases | |
|---|---|---|---|
| 1 | Every few days | 15 |
11%
|
| 2 | Every few weeks | 33 |
24.3%
|
| 3 | Every few months | 72 |
52.9%
|
| 4 | Not at all | 16 |
11.8%
|
| Sysmiss | 26 |