| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never or hardly ever | 32238 |
37.9%
|
| 2 | Once or twice a month | 20285 |
23.8%
|
| 3 | Once or twice a week | 19317 |
22.7%
|
| 4 | Every or almost every day | 13311 |
15.6%
|
| 7 | N/A | 19647 | |
| 8 | Invalid | 86 | |
| 9 | Miss | 1403 |