| Value | Category | Cases | |
|---|---|---|---|
| 0 | Never | 81 |
6.6%
|
| 1 | Sometimes | 548 |
44.5%
|
| 2 | Often | 602 |
48.9%
|
| Sysmiss | DK | 0 | |
| Sysmiss | RF | 0 | |
| Sysmiss | 109 |