| Value | Category | Cases | |
|---|---|---|---|
| 1 | Almost every day. | 509 |
11.3%
|
| 2 | Sometimes. | 1607 |
35.7%
|
| 3 | Never | 1660 |
36.9%
|
| 4 | 726 |
16.1%
|
|
| Sysmiss | 92 |