| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never or hardly ever | 131859 |
44.1%
|
| 2 | Once or twice a month | 38598 |
12.9%
|
| 3 | Once or twice a week | 46975 |
15.7%
|
| 4 | Almost every day | 81787 |
27.3%
|
| 7 | N/A | 207679 | |
| 8 | Invalid | 306 | |
| 9 | Miss | 8754 |