| Value | Category | Cases | |
|---|---|---|---|
| 1 | Every few days | 8 |
7.8%
|
| 2 | Every few weeks | 35 |
34%
|
| 3 | Every few months | 35 |
34%
|
| 4 | Not at all | 25 |
24.3%
|
| Sysmiss | 61 |