| Value | Category | Cases | |
|---|---|---|---|
| 1 | Almost every day. | 3296 |
27.9%
|
| 2 | Sometimes. | 4405 |
37.3%
|
| 3 | Never | 4002 |
33.9%
|
| 4 | Don't know | 93 |
0.8%
|
| Sysmiss | 150 |