| Value | Category | Cases | |
|---|---|---|---|
| 0 | Never | 155 |
12.5%
|
| 1 | Sometimes | 642 |
51.8%
|
| 2 | Often | 425 |
34.3%
|
| Sysmiss | 11 |
0.9%
|
|
| d | DK | 5 |
0.4%
|
| r | RF | 2 |
0.2%
|