| Value | Category | Cases | |
|---|---|---|---|
| 1 | Every few days | 15 |
7%
|
| 2 | Every few weeks | 64 |
30%
|
| 3 | Every few months | 99 |
46.5%
|
| 4 | Not at all | 35 |
16.4%
|
| Sysmiss | 13 |