| Value | Category | Cases | |
|---|---|---|---|
| 1 | Almost every day. | 580 |
12.5%
|
| 2 | Sometimes. | 1259 |
27.2%
|
| 3 | Never | 2354 |
50.8%
|
| 4 | Don't know | 437 |
9.4%
|
| Sysmiss | 97 |