| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never or hardly ever | 4836 |
5.7%
|
| 2 | Once or twice a month | 11058 |
13%
|
| 3 | Once or twice a week | 18641 |
21.9%
|
| 4 | Every or almost every day | 50445 |
59.4%
|
| 7 | N/A | 19643 | |
| 8 | Invalid | 172 | |
| 9 | Miss | 1492 |