| Value | Category | Cases | |
|---|---|---|---|
| 1 | Every few days | 11 |
5.1%
|
| 2 | Every few weeks | 20 |
9.2%
|
| 3 | Every few months | 45 |
20.7%
|
| 4 | Not at all | 141 |
65%
|
| Sysmiss | 33 |