| Value | Category | Cases | |
|---|---|---|---|
| 0 | Not at all | 5776 |
76.3%
|
| 1 | Less than once a week | 873 |
11.5%
|
| 2 | At least once a week | 737 |
9.7%
|
| 3 | Almost every day | 183 |
2.4%
|
| 9 | Missing | 51 | |
| Sysmiss | 365 |