| Value | Category | Cases | |
|---|---|---|---|
| 0 | Never | 109 |
8.8%
|
| 1 | Sometimes | 536 |
43.5%
|
| 2 | Often | 587 |
47.6%
|
| Sysmiss | DK | 0 | |
| Sysmiss | RF | 0 | |
| Sysmiss | 108 |