| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never | 2433 |
25.1%
|
| 2 | Sometimes | 4281 |
44.2%
|
| 3 | Often | 1634 |
16.9%
|
| 4 | Always | 1317 |
13.6%
|
| 9 | I don’t know | 9 |
0.1%
|
| Sysmiss | 1 |