| Value | Category | Cases | |
|---|---|---|---|
| 1 | daily | 9917 |
46.2%
|
| 2 | not daily but at least once in a week | 7425 |
34.6%
|
| 3 | not even once in a week | 2168 |
10.1%
|
| 4 | not known | 1970 |
9.2%
|