| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never or hardly ever | 153713 |
52.3%
|
| 2 | Once or twice a month | 42180 |
14.4%
|
| 3 | Once or twice a week | 40127 |
13.7%
|
| 4 | Almost every day | 29563 |
10.1%
|
| 5 | Every day | 28063 |
9.6%
|
| 7 | N/A | 173651 | |
| 8 | Invalid | 732 | |
| 9 | Missing | 17461 |