| Value | Category | Cases | |
|---|---|---|---|
| 1 | Every few days | 42 |
8.6%
|
| 2 | Every few weeks | 93 |
19%
|
| 3 | Every few months | 246 |
50.2%
|
| 4 | Not at all | 109 |
22.2%
|
| Sysmiss | 15 |