| Value | Category | Cases | |
|---|---|---|---|
| 1 | Every few days | 15 |
11.4%
|
| 2 | Every few weeks | 16 |
12.1%
|
| 3 | Every few months | 36 |
27.3%
|
| 4 | Not at all | 65 |
49.2%
|
| -99 | 3 | ||
| Sysmiss | 25 |