| Value | Category | Cases | |
|---|---|---|---|
| 0 | not at all | 4161 |
50.5%
|
| 1 | less than once a week | 2445 |
29.7%
|
| 2 | at least once a week | 1631 |
19.8%
|
| 3 | almost every day | 0 |
0%
|
| 9 | 2 |
0%
|