| Value | Category | Cases | |
|---|---|---|---|
| 1 | Every few days | 24 |
8.4%
|
| 2 | Every few weeks | 62 |
21.7%
|
| 3 | Every few months | 117 |
40.9%
|
| 4 | Not at all | 83 |
29%
|
| Sysmiss | 56 |