| value | category | cases | |
|---|---|---|---|
| 0 | Not at all | 458 |
19.6%
|
| 1 | Less than once a week | 189 |
8.1%
|
| 2 | At least once a week | 295 |
12.7%
|
| 3 | Almost every day | 1389 |
59.6%
|
| 9 | 9 |