| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never | 4997 |
51.6%
|
| 2 | Sometimes | 3099 |
32%
|
| 3 | Often | 955 |
9.9%
|
| 4 | Always | 610 |
6.3%
|
| 9 | I don’t know | 13 |
0.1%
|
| Sysmiss | 1 |