| Value | Category | Cases | |
|---|---|---|---|
| 0 | Never | 394 |
31.8%
|
| 1 | Sometimes | 616 |
49.7%
|
| 2 | Often | 216 |
17.4%
|
| Sysmiss | 11 |
0.9%
|
|
| d | DK | 3 |
0.2%
|