| Value | Category | Cases | |
|---|---|---|---|
| 0 | Never | 542 |
43.7%
|
| 1 | Sometimes | 451 |
36.4%
|
| 2 | Often | 232 |
18.7%
|
| Sysmiss | 11 |
0.9%
|
|
| d | DK | 4 |
0.3%
|