| Value | Category | Cases | |
|---|---|---|---|
| 1 | Every day | 1628 |
59%
|
| 2 | Once a week | 446 |
16.2%
|
| 3 | Twice a week | 428 |
15.5%
|
| 4 | Once a month | 256 |
9.3%
|
| Sysmiss | 1638 |