| Value | Category | Cases | |
|---|---|---|---|
| 0 | not at all | 6363 |
33.9%
|
| 1 | less than once a week | 5701 |
30.4%
|
| 2 | at least once a week | 6686 |
35.7%
|
| 3 | almost every day | 0 |
0%
|
| 9 | 4 |
0%
|