| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never | 6186 |
63.9%
|
| 2 | Sometimes | 2572 |
26.6%
|
| 3 | Often | 525 |
5.4%
|
| 4 | Always | 380 |
3.9%
|
| 9 | I don’t know | 11 |
0.1%
|
| Sysmiss | 1 |