| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never | 12 |
2.1%
|
| 2 | Sometimes | 322 |
56.4%
|
| 3 | Often | 51 |
8.9%
|
| 4 | Always | 174 |
30.5%
|
| Sysmiss | 12 |