| Value | Category | Cases | |
|---|---|---|---|
| 1 | Every few days | 17 |
9.9%
|
| 2 | Every few weeks | 30 |
17.4%
|
| 3 | Every few months | 81 |
47.1%
|
| 4 | Not at all | 31 |
18%
|
| Sysmiss | 13 |
7.6%
|