| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never or hardly ever | 91758 |
30.6%
|
| 2 | Once or twice a month | 70558 |
23.6%
|
| 3 | Once or twice a week | 76480 |
25.5%
|
| 4 | Almost every day | 60639 |
20.3%
|
| 7 | N/A | 207678 | |
| 8 | Invalid | 429 | |
| 9 | Miss | 8416 |