| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never or hardly ever | 55399 |
18.5%
|
| 2 | Once or twice a month | 45917 |
15.4%
|
| 3 | Once or twice a week | 77236 |
25.8%
|
| 4 | Almost every day | 120543 |
40.3%
|
| 7 | N/A | 207678 | |
| 8 | Invalid | 524 | |
| 9 | Miss | 8661 |