| Value | Category | Cases | |
|---|---|---|---|
| 1 | DAILY | 659 |
20.3%
|
| 2 | NOT DAILY, BUT WEEKLY | 940 |
28.9%
|
| 3 | OCCASIONALLY | 1614 |
49.6%
|
| 9 | REFUSED | 41 |
1.3%
|
| Sysmiss | 70783 |