| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never or hardly ever | 230224 |
76.2%
|
| 2 | Once or twice a month | 39867 |
13.2%
|
| 3 | Once or twice a week | 23514 |
7.8%
|
| 4 | Almost every day | 8714 |
2.9%
|
| 7 | N/A | 203048 | |
| 8 | Invalid | 473 | |
| 9 | Miss | 10118 |