| Value | Category | Cases | |
|---|---|---|---|
| 1 | Every few days | 10 |
6%
|
| 2 | Every few weeks | 37 |
22.3%
|
| 3 | Every few months | 58 |
34.9%
|
| 4 | Not at all | 50 |
30.1%
|
| -99 | 11 |
6.6%
|
|
| Sysmiss | 25 |