| Value | Category | Cases | |
|---|---|---|---|
| 0 | Never | 734 |
33.5%
|
| 1 | occasionally | 587 |
26.8%
|
| 2 | weekly | 391 |
17.8%
|
| 3 | daily | 482 |
22%
|
| Sysmiss | 12882 |