| Value | Category | Cases | |
|---|---|---|---|
| 1 | Every few days | 24 |
7.5%
|
| 2 | Every few weeks | 95 |
29.7%
|
| 3 | Every few months | 160 |
50%
|
| 4 | Not at all | 41 |
12.8%
|
| Sysmiss | 73 |