| Value | Category | Cases | |
|---|---|---|---|
| 1 | Every few days | 11 |
16.2%
|
| 2 | Every few weeks | 10 |
14.7%
|
| 3 | Every few months | 15 |
22.1%
|
| 4 | Not at all | 32 |
47.1%
|
| Sysmiss | 15 |