| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never or hardly ever | 143649 |
48.1%
|
| 2 | Once or twice a month | 52451 |
17.6%
|
| 3 | Once or twice a week | 49889 |
16.7%
|
| 4 | Almost every day | 52829 |
17.7%
|
| 7 | N/A | 207678 | |
| 8 | Invalid | 647 | |
| 9 | Miss | 8815 |