| Value | Category | Cases | |
|---|---|---|---|
| 1 | Every few days | 18 |
5%
|
| 2 | Every few weeks | 70 |
19.6%
|
| 3 | Every few months | 112 |
31.4%
|
| 4 | Not at all | 60 |
16.8%
|
| Sysmiss | 97 |
27.2%
|