| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never | 2816 |
29.1%
|
| 2 | Sometimes | 5066 |
52.4%
|
| 3 | Often | 1134 |
11.7%
|
| 4 | Always | 647 |
6.7%
|
| 9 | I don’t know | 11 |
0.1%
|
| Sysmiss | 1 |