| Value | Category | Cases | |
|---|---|---|---|
| 1 | Every few days | 16 |
9.7%
|
| 2 | Every few weeks | 39 |
23.6%
|
| 3 | Every few months | 60 |
36.4%
|
| 4 | Not at all | 45 |
27.3%
|
| -99 | 5 |
3%
|
|
| Sysmiss | 26 |