| Value | Category | Cases | |
|---|---|---|---|
| 1 | Every few days | 4 |
2%
|
| 2 | Every few weeks | 22 |
10.9%
|
| 3 | Every few months | 97 |
48%
|
| 4 | Not at all | 59 |
29.2%
|
| Sysmiss | 20 |
9.9%
|