| Value | Category | Cases | |
|---|---|---|---|
| 0 | Never | 133 |
10.7%
|
| 1 | Sometimes | 544 |
43.9%
|
| 2 | Often | 547 |
44.1%
|
| Sysmiss | 11 |
0.9%
|
|
| d | DK | 4 |
0.3%
|
| r | RF | 1 |
0.1%
|