| Value | Category | Cases | |
|---|---|---|---|
| 1 | often | 1566 |
28.8%
|
| 2 | occasionally | 1170 |
21.5%
|
| 3 | rarely | 1422 |
26.2%
|
| 4 | never | 1275 |
23.5%
|
| Sysmiss | 2677 |