| Value | Category | Cases | |
|---|---|---|---|
| 1 | Almost every day | 2031 |
23.2%
|
| 2 | At least once a week | 1282 |
14.6%
|
| 3 | At least once a month | 829 |
9.5%
|
| 4 | Not at all | 4616 |
52.7%
|
| 9 | Missing | 4 |
0%
|
| Sysmiss | 837 |