| Value | Category | Cases | |
|---|---|---|---|
| 0 | Never | 640 |
45.7%
|
| 1 | Sometimes | 531 |
37.9%
|
| 2 | Often | 98 |
7%
|
| Sysmiss | 130 |
9.3%
|
|
| d | DK | 1 |
0.1%
|