| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never or hardly ever | 14946 |
17.7%
|
| 2 | Once or twice a month | 19799 |
23.5%
|
| 3 | Once or twice a week | 30986 |
36.7%
|
| 4 | Every or almost every day | 18592 |
22%
|
| 7 | N/A | 19644 | |
| 8 | Invalid | 182 | |
| 9 | Miss | 2138 |