| Value | Category | Cases | |
|---|---|---|---|
| 1 | Daily | 225 |
11.7%
|
| 2 | Twice a week | 435 |
22.5%
|
| 3 | Weekly | 1167 |
60.4%
|
| 4 | Monthly | 87 |
4.5%
|
| 6 | Other | 17 |
0.9%
|
| Sysmiss | 19842 |