| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never or hardly ever | 202029 |
66.7%
|
| 2 | Once or twice a month | 52574 |
17.4%
|
| 3 | Once or twice a week | 35086 |
11.6%
|
| 4 | Almost every day | 13210 |
4.4%
|
| 7 | N/A | 203049 | |
| 8 | Invalid | 364 | |
| 9 | Miss | 9646 |