| Value | Category | Cases | |
|---|---|---|---|
| 0 | Not at all | 240 |
8.5%
|
| 1 | Less than once a week | 153 |
5.4%
|
| 2 | At least once a week | 660 |
23.3%
|
| 3 | Almost every day | 1772 |
62.7%
|
| 9 | No response | 3 |
0.1%
|
| Sysmiss | 1197 |