| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never or hardly ever | 5798 |
6.8%
|
| 2 | Once or twice a month | 16544 |
19.4%
|
| 3 | Once or twice a week | 33676 |
39.6%
|
| 4 | Every or almost every day | 29082 |
34.2%
|
| 7 | N/A | 19647 | |
| 8 | Invalid | 83 | |
| 9 | Miss | 1457 |