| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never or hardly ever | 20358 |
24%
|
| 2 | Once or twice a month | 30609 |
36%
|
| 3 | Once or twice a week | 23491 |
27.7%
|
| 4 | Every or almost every day | 10488 |
12.3%
|
| 7 | N/A | 19647 | |
| 8 | Invalid | 48 | |
| 9 | Miss | 1646 |