| Value | Category | Cases | |
|---|---|---|---|
| 1 | Every few days | 5 |
2.4%
|
| 2 | Every few weeks | 27 |
13%
|
| 3 | Every few months | 86 |
41.5%
|
| 4 | Not at all | 89 |
43%
|
| Sysmiss | 9 |