| Value | Category | Cases | |
|---|---|---|---|
| 0 | Never | 455 |
36.3%
|
| 1 | Sometimes | 436 |
34.8%
|
| 2 | Often | 181 |
14.5%
|
| 3 | Always | 180 |
14.4%
|
| Sysmiss | 2999 |