| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never | 2131 |
22%
|
| 2 | Sometimes | 4879 |
50.4%
|
| 3 | Often | 1624 |
16.8%
|
| 4 | Always | 1030 |
10.6%
|
| 9 | I don’t know | 10 |
0.1%
|
| Sysmiss | 1 |