| Value | Category | Cases | |
|---|---|---|---|
| 0 | Not at all | 3683 |
51.3%
|
| 1 | Less than once a week | 1342 |
18.7%
|
| 2 | At least once a week | 1274 |
17.7%
|
| 3 | Almost every day | 884 |
12.3%
|
| 9 | 15 |