| value | category | cases | |
|---|---|---|---|
| 0 | Not at all | 660 |
18.4%
|
| 1 | Less than once a week | 343 |
9.5%
|
| 2 | At least once a week | 589 |
16.4%
|
| 3 | Almost every day | 2001 |
55.7%
|
| 9 | 12 |