| Value | Category | Cases | |
|---|---|---|---|
| 1 | Every few days | 9 |
4%
|
| 2 | Every few weeks | 17 |
7.6%
|
| 3 | Every few months | 103 |
46%
|
| 4 | Not at all | 95 |
42.4%
|
| Sysmiss | 36 |