| Value | Category | Cases | |
|---|---|---|---|
| 1 | Every few days | 14 |
8.9%
|
| 2 | Every few weeks | 22 |
13.9%
|
| 3 | Every few months | 36 |
22.8%
|
| 4 | Not at all | 86 |
54.4%
|
| Sysmiss | 42 |