| Value | Category | Cases | |
|---|---|---|---|
| 0 | Never | 169 |
13.6%
|
| 1 | Sometimes | 863 |
69.6%
|
| 2 | Often | 194 |
15.6%
|
| Sysmiss | 11 |
0.9%
|
|
| d | DK | 3 |
0.2%
|