| Value | Category | Cases | |
|---|---|---|---|
| 1 | Every few days | 27 |
10%
|
| 2 | Every few weeks | 34 |
12.6%
|
| 3 | Every few months | 68 |
25.3%
|
| 4 | Not at all | 140 |
52%
|
| Sysmiss | 50 |