| Value | Category | Cases | |
|---|---|---|---|
| 1 | Always | 16 |
7%
|
| 2 | Often | 15 |
6.6%
|
| 3 | Sometimes | 13 |
5.7%
|
| 4 | Never | 185 |
80.8%
|
| Sysmiss | 19 |