| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never or hardly ever | 236084 |
77.9%
|
| 2 | Once or twice a month | 35112 |
11.6%
|
| 3 | Once or twice a week | 23566 |
7.8%
|
| 4 | Almost every day | 8276 |
2.7%
|
| 7 | N/A | 203049 | |
| 8 | Invalid | 374 | |
| 9 | Miss | 9497 |