| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never | 3742 |
38.7%
|
| 2 | Sometimes | 4661 |
48.2%
|
| 3 | Often | 888 |
9.2%
|
| 4 | Always | 345 |
3.6%
|
| 9 | I don’t know | 38 |
0.4%
|
| Sysmiss | 1 |