| Value | Category | Cases | |
|---|---|---|---|
| 1 | Every few days | 11 |
5.2%
|
| 2 | Every few weeks | 29 |
13.8%
|
| 3 | Every few months | 90 |
42.9%
|
| 4 | Not at all | 45 |
21.4%
|
| Sysmiss | 35 |
16.7%
|