| Value | Category | Cases | |
|---|---|---|---|
| 1 | Almost every day. | 142 |
3.8%
|
| 2 | Sometimes. | 374 |
9.9%
|
| 3 | Never | 2943 |
77.9%
|
| 4 | Don't know | 318 |
8.4%
|
| Sysmiss | 22 |