| Value | Category | Cases | |
|---|---|---|---|
| 1 | Almost every day | 882 |
10.3%
|
| 2 | At least once a week | 2863 |
33.5%
|
| 3 | At least once a month | 2606 |
30.5%
|
| 4 | Not at all | 2186 |
25.6%
|
| 9 | Missing | 6 |
0.1%
|
| Sysmiss | 1056 |