| Value | Category | Cases | |
|---|---|---|---|
| 1 | Every few days | 18 |
3.7%
|
| 2 | Every few weeks | 49 |
10.2%
|
| 3 | Every few months | 138 |
28.6%
|
| 4 | Not at all | 176 |
36.5%
|
| Sysmiss | 101 |
21%
|