| Value | Category | Cases | |
|---|---|---|---|
| 1 | Every few days | 21 |
10.4%
|
| 2 | Every few weeks | 58 |
28.7%
|
| 3 | Every few months | 83 |
41.1%
|
| 4 | Not at all | 21 |
10.4%
|
| Sysmiss | 19 |
9.4%
|