| Value | Category | Cases | |
|---|---|---|---|
| 1 | Every few days | 20 |
10.3%
|
| 2 | Every few weeks | 31 |
16%
|
| 3 | Every few months | 81 |
41.8%
|
| 4 | Not at all | 62 |
32%
|
| Sysmiss | 33 |