| Value | Category | Cases | |
|---|---|---|---|
| 1 | Every few days | 14 |
10.9%
|
| 2 | Every few weeks | 47 |
36.7%
|
| 3 | Every few months | 53 |
41.4%
|
| 4 | Not at all | 14 |
10.9%
|
| Sysmiss | 16 |