| Value | Category | Cases | |
|---|---|---|---|
| 1 | Daily | 404 |
1.1%
|
| 2 | Several times a week | 1809 |
4.9%
|
| 3 | Once a week | 1303 |
3.5%
|
| 4 | Once a month | 1801 |
4.8%
|
| 5 | Rarely | 7747 |
20.8%
|
| 6 | Never | 24157 |
64.9%
|
| Sysmiss | 157592 |