| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never | 2015 |
20.8%
|
| 2 | Sometimes | 5178 |
53.5%
|
| 3 | Often | 1590 |
16.4%
|
| 4 | Always | 876 |
9.1%
|
| 9 | I don’t know | 15 |
0.2%
|
| Sysmiss | 1 |