| Value | Category | Cases | |
|---|---|---|---|
| 1 | Every few days | 29 |
10.6%
|
| 2 | Every few weeks | 36 |
13.2%
|
| 3 | Every few months | 74 |
27.1%
|
| 4 | Not at all | 134 |
49.1%
|
| Sysmiss | 54 |