| Value | Category | Cases | |
|---|---|---|---|
| 1 | Every few days | 32 |
11.4%
|
| 2 | Every few weeks | 76 |
27%
|
| 3 | Every few months | 131 |
46.6%
|
| 4 | Not at all | 42 |
14.9%
|
| Sysmiss | 94 |