| Value | Category | Cases | |
|---|---|---|---|
| 1 | Every few days | 23 |
8.6%
|
| 2 | Every few weeks | 45 |
16.7%
|
| 3 | Every few months | 70 |
26%
|
| 4 | Not at all | 131 |
48.7%
|
| Sysmiss | 50 |