| Value | Category | Cases | |
|---|---|---|---|
| 1 | Every few days | 9 |
6.6%
|
| 2 | Every few weeks | 36 |
26.3%
|
| 3 | Every few months | 68 |
49.6%
|
| 4 | Not at all | 24 |
17.5%
|
| Sysmiss | 29 |