| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never or hardly ever | 197841 |
65.3%
|
| 2 | Once or twice a month | 60294 |
19.9%
|
| 3 | Once or twice a week | 30092 |
9.9%
|
| 4 | Almost every day | 14652 |
4.8%
|
| 7 | N/A | 203040 | |
| 8 | Invalid | 478 | |
| 9 | Miss | 9561 |