| Value | Category | Cases | |
|---|---|---|---|
| 1 | Every few days | 21 |
6.1%
|
| 2 | Every few weeks | 80 |
23.2%
|
| 3 | Every few months | 151 |
43.8%
|
| 4 | Not at all | 93 |
27%
|
| Sysmiss | 95 |