| Value | Category | Cases | |
|---|---|---|---|
| 0 | Not at all | 1344 |
18.7%
|
| 1 | Less than once a week | 985 |
13.7%
|
| 2 | At least once a week | 1474 |
20.5%
|
| 3 | Almost every day | 3389 |
47.1%
|
| 9 | 6 |