| Value | Category | Cases | |
|---|---|---|---|
| 0 | Never | 493 |
39.4%
|
| 1 | Sometimes | 417 |
33.3%
|
| 2 | Often | 166 |
13.3%
|
| 3 | Always | 176 |
14.1%
|
| Sysmiss | 2999 |