| Value | Category | Cases | |
|---|---|---|---|
| 1 | Often | 28 |
2.2%
|
| 2 | Sometimes | 125 |
9.8%
|
| 3 | Rarely | 327 |
25.6%
|
| 4 | Never | 760 |
59.6%
|
| Sysmiss | 36 |
2.8%
|